We will be creating a simple Word Count App in JavaScript. Every paragraph has words, every word has letters, were you ever curious about an aspect, that we can count, we can keep a track of them?
Well, not only that but many assignments are also marked based on the number of words used, and the number of characters used. So today let us build a simple Word Count App in JavaScript, HTML, and CSS and get to know how can we track our writing.
Check out this image for the folder structure of our project.
index.html contains our Html code.
style.css contains styling for our web page.
main.js contains all the logic.
If you want a single file(HTML+CSS+JavaScript), click here.
HTML code:
<html>
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel='stylesheet' type='text/css' ' media="screen" href="style.css"/>
<title>Word Count App</title>
</head>
<body>
<div class="container">
<h1>Word Counter</h1>
<textarea placeholder="Enter your text here..."></textarea>
<div class="output row">
<div>Characters: <span id="characterCount">0</span></div>
<div>Words: <span id="wordCount">0</span></div>
</div>
<div class="output row">
<div>Sentences: <span id="sentenceCount">0</span></div>
<div>Paragraphs: <span id="paragraphCount">0</span></div>
</div>
<div class="keywords">
Top keywords:
<ul id="topKeywords"></ul>
</div>
</div>
<script src="main.js"></script>
</body>
</html>JavaScript code:
"use strict";
var input = document.querySelectorAll("textarea")[0],
characterCount = document.querySelector("#characterCount"),
wordCount = document.querySelector("#wordCount"),
sentenceCount = document.querySelector("#sentenceCount"),
paragraphCount = document.querySelector("#paragraphCount"),
readingTime = document.querySelector("#readingTime"),
readability = document.querySelector("#readability"),
keywordsDiv = document.querySelectorAll(".keywords")[0],
topKeywords = document.querySelector("#topKeywords");
input.addEventListener("keyup", function () {
console.clear();
characterCount.innerHTML = input.value.length;
var words = input.value.match(/\b[-?(\w+)?]+\b/gi);
if (words) {
wordCount.innerHTML = words.length;
} else {
wordCount.innerHTML = 0;
}
if (words) {
var sentences = input.value.split(/[.|!|?]+/g);
console.log(sentences);
sentenceCount.innerHTML = sentences.length - 1;
} else {
sentenceCount.innerHTML = 0;
}
if (words) {
var paragraphs = input.value.replace(/\n$/gm, "").split(/\n/);
paragraphCount.innerHTML = paragraphs.length;
} else {
paragraphCount.innerHTML = 0;
}
if (words) {
var seconds = Math.floor((words.length * 60) / 275);
if (seconds > 59) {
var minutes = Math.floor(seconds / 60);
seconds = seconds - minutes * 60;
readingTime.innerHTML = minutes + "m " + seconds + "s";
} else {
readingTime.innerHTML = seconds + "s";
}
} else {
readingTime.innerHTML = "0s";
}
if (words) {
var nonStopWords = [];
var stopWords = ["a", "able", "about", "above", "abst", "accordance", "according", "accordingly", "across", "act", "actually", "added", "adj", "affected", "affecting", "affects", "after", "afterwards", "again", "against", "ah", "all", "almost", "alone", "along", "already", "also", "although", "always", "am", "among", "amongst", "an", "and", "announce", "another", "any", "anybody", "anyhow", "anymore", "anyone", "anything", "anyway", "anyways", "anywhere", "apparently", "approximately", "are", "aren", "arent", "arise", "around", "as", "aside", "ask", "asking", "at", "auth", "available", "away", "awfully", "b", "back", "be", "became", "because", "become", "becomes", "becoming", "been", "before", "beforehand", "begin", "beginning", "beginnings", "begins", "behind", "being", "believe", "below", "beside", "besides", "between", "beyond", "biol", "both", "brief", "briefly", "but", "by", "c", "ca", "came", "can", "cannot", "can't", "cause", "causes", "certain", "certainly", "co", "com", "come", "comes", "contain", "containing", "contains", "could", "couldnt", "d", "date", "did", "didn't", "different", "do", "does", "doesn't", "doing", "done", "don't", "down", "downwards", "due", "during", "e", "each", "ed", "edu", "effect", "eg", "eight", "eighty", "either", "else", "elsewhere", "end", "ending", "enough", "especially", "et", "et-al", "etc", "even", "ever", "every", "everybody", "everyone", "everything", "everywhere", "ex", "except", "f", "far", "few", "ff", "fifth", "first", "five", "fix", "followed", "following", "follows", "for", "former", "formerly", "forth", "found", "four", "from", "further", "furthermore", "g", "gave", "get", "gets", "getting", "give", "given", "gives", "giving", "go", "goes", "gone", "got", "gotten", "h", "had", "happens", "hardly", "has", "hasn't", "have", "haven't", "having", "he", "hed", "hence", "her", "here", "hereafter", "hereby", "herein", "heres", "hereupon", "hers", "herself", "hes", "hi", "hid", "him", "himself", "his", "hither", "home", "how", "howbeit", "however", "hundred", "i", "id", "ie", "if", "i'll", "im", "immediate", "immediately", "importance", "important", "in", "inc", "indeed", "index", "information", "instead", "into", "invention", "inward", "is", "isn't", "it", "itd", "it'll", "its", "itself", "i've", "j", "just", "k", "keep", "keeps", "kept", "kg", "km", "know", "known", "knows", "l", "largely", "last", "lately", "later", "latter", "latterly", "least", "less", "lest", "let", "lets", "like", "liked", "likely", "line", "little", "'ll", "look", "looking", "looks", "ltd", "m", "made", "mainly", "make", "makes", "many", "may", "maybe", "me", "mean", "means", "meantime", "meanwhile", "merely", "mg", "might", "million", "miss", "ml", "more", "moreover", "most", "mostly", "mr", "mrs", "much", "mug", "must", "my", "myself", "n", "na", "name", "namely", "nay", "nd", "near", "nearly", "necessarily", "necessary", "need", "needs", "neither", "never", "nevertheless", "new", "next", "nine", "ninety", "no", "nobody", "non", "none", "nonetheless", "noone", "nor", "normally", "nos", "not", "noted", "nothing", "now", "nowhere", "o", "obtain", "obtained", "obviously", "of", "off", "often", "oh", "ok", "okay", "old", "omitted", "on", "once", "one", "ones", "only", "onto", "or", "ord", "other", "others", "otherwise", "ought", "our", "ours", "ourselves", "out", "outside", "over", "overall", "owing", "own", "p", "page", "pages", "part", "particular", "particularly", "past", "per", "perhaps", "placed", "please", "plus", "poorly", "possible", "possibly", "potentially", "pp", "predominantly", "present", "previously", "primarily", "probably", "promptly", "proud", "provides", "put", "q", "que", "quickly", "quite", "qv", "r", "ran", "rather", "rd", "re", "readily", "really", "recent", "recently", "ref", "refs", "regarding", "regardless", "regards", "related", "relatively", "research", "respectively", "resulted", "resulting", "results", "right", "run", "s", "said", "same", "saw", "say", "saying", "says", "sec", "section", "see", "seeing", "seem", "seemed", "seeming", "seems", "seen", "self", "selves", "sent", "seven", "several", "shall", "she", "shed", "she'll", "shes", "should", "shouldn't", "show", "showed", "shown", "showns", "shows", "significant", "significantly", "similar", "similarly", "since", "six", "slightly", "so", "some", "somebody", "somehow", "someone", "somethan", "something", "sometime", "sometimes", "somewhat", "somewhere", "soon", "sorry", "specifically", "specified", "specify", "specifying", "still", "stop", "strongly", "sub", "substantially", "successfully", "such", "sufficiently", "suggest", "sup", "sure", "t", "take", "taken", "taking", "tell", "tends", "th", "than", "thank", "thanks", "thanx", "that", "that'll", "thats", "that've", "the", "their", "theirs", "them", "themselves", "then", "thence", "there", "thereafter", "thereby", "thered", "therefore", "therein", "there'll", "thereof", "therere", "theres", "thereto", "thereupon", "there've", "these", "they", "theyd", "they'll", "theyre", "they've", "think", "this", "those", "thou", "though", "thoughh", "thousand", "throug", "through", "throughout", "thru", "thus", "til", "tip", "to", "together", "too", "took", "toward", "towards", "tried", "tries", "truly", "try", "trying", "ts", "twice", "two", "u", "un", "under", "unfortunately", "unless", "unlike", "unlikely", "until", "unto", "up", "upon", "ups", "us", "use", "used", "useful", "usefully", "usefulness", "uses", "using", "usually", "v", "value", "various", "'ve", "very", "via", "viz", "vol", "vols", "vs", "w", "want", "wants", "was", "wasn't", "way", "we", "wed", "welcome", "we'll", "went", "were", "weren't", "we've", "what", "whatever", "what'll", "whats", "when", "whence", "whenever", "where", "whereafter", "whereas", "whereby", "wherein", "wheres", "whereupon", "wherever", "whether", "which", "while", "whim", "whither", "who", "whod", "whoever", "whole", "who'll", "whom", "whomever", "whos", "whose", "why", "widely", "willing", "wish", "with", "within", "without", "won't", "words", "world", "would", "wouldn't", "www", "x", "y", "yes", "yet", "you", "youd", "you'll", "your", "youre", "yours", "yourself", "yourselves", "you've", "z", "zero"];
for (var i = 0; i < words.length; i++) {
if (
stopWords.indexOf(words[i].toLowerCase()) === -1 &&
isNaN(words[i])
) {
nonStopWords.push(words[i].toLowerCase());
}
}
var keywords = {};
for (var i = 0; i < nonStopWords.length; i++) {
if (nonStopWords[i] in keywords) {
keywords[nonStopWords[i]] += 1;
} else {
keywords[nonStopWords[i]] = 1;
}
}
var sortedKeywords = [];
for (var keyword in keywords) {
sortedKeywords.push([keyword, keywords[keyword]]);
}
sortedKeywords.sort(function (a, b) {
return b[1] - a[1];
});
topKeywords.innerHTML = "";
for (var i = 0; i < sortedKeywords.length && i < 4; i++) {
var li = document.createElement("li");
li.innerHTML =
"<b>" + sortedKeywords[i][0] + "</b>: " + sortedKeywords[i][1];
topKeywords.appendChild(li);
}
}
if (words) {
keywordsDiv.style.display = "block";
} else {
keywordsDiv.style.display = "none";
}
});CSS code:
html {
box-sizing: border-box;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
*,
*:before,
*:after {
box-sizing: inherit;
}
b {
font-weight: bold;
}
body {
width: 700px;
margin: 0 auto;
background-color: #fafafa;
font-family: "Source Sans Pro", sans-serif;
color: #111;
}
.container {
margin: 2% auto;
padding: 15px;
background-color: #ffffff;
-webkit-box-shadow: 0px 1px 4px 0px rgba(0, 0, 0, 0.2);
box-shadow: 0px 1px 4px 0px rgba(0, 0, 0, 0.2);
}
h1 {
font-size: 3rem;
font-weight: 900;
text-align: center;
margin: 1% 0 3%;
}
textarea {
width: 100%;
height: 250px;
padding: 10px;
border: 1px solid #d9d9d9;
outline: none;
font-size: 1rem;
resize: none;
line-height: 1.5rem;
}
textarea:hover {
border-color: #c0c0c0;
}
textarea:focus {
border-color: #4d90fe;
}
.output.row {
width: 100%;
border: 1px solid #ddd;
font-size: 1.4rem;
margin: 1% 0;
background-color: #f9f9f9;
}
.output.row div {
display: inline-block;
width: 42%;
padding: 10px 15px;
margin: 1%;
}
.output.row span {
font-weight: bold;
font-size: 1.5rem;
}
.keywords {
display: none;
margin: 4% 0 0;
font-size: 2rem;
font-weight: 900;
}
.keywords ul {
font-weight: 400;
border: 1px solid #ddd;
font-size: 1.4rem;
background-color: #f9f9f9;
margin: 2% 0;
}
.keywords li {
display: inline-block;
width: 44%;
padding: 10px;
margin: 1%;
}
@media (max-width: 750px) {
body {
width: 600px;
}
.output.row {
font-size: 1.2rem;
}
.output.row span {
font-size: 1.3rem;
}
.keywords ul {
font-size: 1.2rem;
}
}
@media (max-width: 600px) {
body {
width: 95%;
}
.output.row {
border: none;
background-color: #fff;
}
.output.row div {
display: block;
width: 100%;
padding: 10px 15px;
margin: 2% auto;
border: 1px solid #ddd;
font-size: 1.8rem;
background-color: #f9f9f9;
}
.output.row span {
font-size: 2rem;
}
#readability {
width: 100%;
font-size: 1.6rem;
font-weight: 400;
}
.keywords {
margin: 10% auto;
}
.keywords ul {
font-weight: 400;
border: none;
font-size: 1.8rem;
background-color: #f9f9f9;
margin: 5% 0;
}
.keywords li {
display: block;
width: 100%;
padding: 10px;
margin: 2% auto;
border: 1px solid #ddd;
}
}
Complete code for Word Count App in JavaScript
<html>
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Word Count App</title>
</head>
<body>
<div class="container">
<h1>Word Counter</h1>
<textarea placeholder="Enter your text here..."></textarea>
<div class="output row">
<div>Characters: <span id="characterCount">0</span></div>
<div>Words: <span id="wordCount">0</span></div>
</div>
<div class="output row">
<div>Sentences: <span id="sentenceCount">0</span></div>
<div>Paragraphs: <span id="paragraphCount">0</span></div>
</div>
<div class="keywords">
Top keywords:
<ul id="topKeywords">
</ul>
</div>
</div>
<style>
html {
box-sizing: border-box;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
*,
*:before,
*:after {
box-sizing: inherit;
}
b {
font-weight: bold;
}
body {
width: 700px;
margin: 0 auto;
background-color: #FAFAFA;
font-family: 'Source Sans Pro', sans-serif;
color: #111;
}
.container {
margin: 2% auto;
padding: 15px;
background-color: #FFFFFF;
-webkit-box-shadow: 0px 1px 4px 0px rgba(0, 0, 0, 0.2);
box-shadow: 0px 1px 4px 0px rgba(0, 0, 0, 0.2);
}
h1 {
font-size: 3rem;
font-weight: 900;
text-align: center;
margin: 1% 0 3%;
}
textarea {
width: 100%;
height: 250px;
padding: 10px;
border: 1px solid #d9d9d9;
outline: none;
font-size: 1rem;
resize: none;
line-height: 1.5rem;
}
textarea:hover {
border-color: #C0C0C0;
}
textarea:focus {
border-color: #4D90FE;
}
.output.row {
width: 100%;
border: 1px solid #DDD;
font-size: 1.4rem;
margin: 1% 0;
background-color: #F9F9F9;
}
.output.row div {
display: inline-block;
width: 42%;
padding: 10px 15px;
margin: 1%;
}
.output.row span {
font-weight: bold;
font-size: 1.5rem;
}
.keywords {
display: none;
margin: 4% 0 0;
font-size: 2rem;
font-weight: 900;
}
.keywords ul {
font-weight: 400;
border: 1px solid #DDD;
font-size: 1.4rem;
background-color: #F9F9F9;
margin: 2% 0;
}
.keywords li {
display: inline-block;
width: 44%;
padding: 10px;
margin: 1%;
}
@media (max-width: 750px) {
body {
width: 600px;
}
.output.row {
font-size: 1.2rem;
}
.output.row span {
font-size: 1.3rem;
}
.keywords ul {
font-size: 1.2rem;
}
}
@media (max-width: 600px) {
body {
width: 95%;
}
.output.row {
border: none;
background-color: #FFF;
}
.output.row div {
display: block;
width: 100%;
padding: 10px 15px;
margin: 2% auto;
border: 1px solid #DDD;
font-size: 1.8rem;
background-color: #F9F9F9;
}
.output.row span {
font-size: 2rem;
}
#readability {
width: 100%;
font-size: 1.6rem;
font-weight: 400;
}
.keywords {
margin: 10% auto;
}
.keywords ul {
font-weight: 400;
border: none;
font-size: 1.8rem;
background-color: #F9F9F9;
margin: 5% 0;
}
.keywords li {
display: block;
width: 100%;
padding: 10px;
margin: 2% auto;
border: 1px solid #DDD;
}
}
</style>
<script>
"use strict";
var input = document.querySelectorAll('textarea')[0],
characterCount = document.querySelector('#characterCount'),
wordCount = document.querySelector('#wordCount'),
sentenceCount = document.querySelector('#sentenceCount'),
paragraphCount = document.querySelector('#paragraphCount'),
readingTime = document.querySelector('#readingTime'),
readability = document.querySelector('#readability'),
keywordsDiv = document.querySelectorAll('.keywords')[0],
topKeywords = document.querySelector('#topKeywords');
input.addEventListener('keyup', function() {
console.clear();
characterCount.innerHTML = input.value.length;
var words = input.value.match(/\b[-?(\w+)?]+\b/gi);
if (words) {
wordCount.innerHTML = words.length;
} else {
wordCount.innerHTML = 0;
}
if (words) {
var sentences = input.value.split(/[.|!|?]+/g);
console.log(sentences);
sentenceCount.innerHTML = sentences.length - 1;
} else {
sentenceCount.innerHTML = 0;
}
if (words) {
var paragraphs = input.value.replace(/\n$/gm, '').split(/\n/);
paragraphCount.innerHTML = paragraphs.length;
} else {
paragraphCount.innerHTML = 0;
}
if (words) {
var seconds = Math.floor(words.length * 60 / 275);
if (seconds > 59) {
var minutes = Math.floor(seconds / 60);
seconds = seconds - minutes * 60;
readingTime.innerHTML = minutes + "m " + seconds + "s";
} else {
readingTime.innerHTML = seconds + "s";
}
} else {
readingTime.innerHTML = "0s";
}
if (words) {
var nonStopWords = [];
var stopWords = ["a", "able", "about", "above", "abst", "accordance", "according", "accordingly", "across", "act", "actually", "added", "adj", "affected", "affecting", "affects", "after", "afterwards", "again", "against", "ah", "all", "almost", "alone", "along", "already", "also", "although", "always", "am", "among", "amongst", "an", "and", "announce", "another", "any", "anybody", "anyhow", "anymore", "anyone", "anything", "anyway", "anyways", "anywhere", "apparently", "approximately", "are", "aren", "arent", "arise", "around", "as", "aside", "ask", "asking", "at", "auth", "available", "away", "awfully", "b", "back", "be", "became", "because", "become", "becomes", "becoming", "been", "before", "beforehand", "begin", "beginning", "beginnings", "begins", "behind", "being", "believe", "below", "beside", "besides", "between", "beyond", "biol", "both", "brief", "briefly", "but", "by", "c", "ca", "came", "can", "cannot", "can't", "cause", "causes", "certain", "certainly", "co", "com", "come", "comes", "contain", "containing", "contains", "could", "couldnt", "d", "date", "did", "didn't", "different", "do", "does", "doesn't", "doing", "done", "don't", "down", "downwards", "due", "during", "e", "each", "ed", "edu", "effect", "eg", "eight", "eighty", "either", "else", "elsewhere", "end", "ending", "enough", "especially", "et", "et-al", "etc", "even", "ever", "every", "everybody", "everyone", "everything", "everywhere", "ex", "except", "f", "far", "few", "ff", "fifth", "first", "five", "fix", "followed", "following", "follows", "for", "former", "formerly", "forth", "found", "four", "from", "further", "furthermore", "g", "gave", "get", "gets", "getting", "give", "given", "gives", "giving", "go", "goes", "gone", "got", "gotten", "h", "had", "happens", "hardly", "has", "hasn't", "have", "haven't", "having", "he", "hed", "hence", "her", "here", "hereafter", "hereby", "herein", "heres", "hereupon", "hers", "herself", "hes", "hi", "hid", "him", "himself", "his", "hither", "home", "how", "howbeit", "however", "hundred", "i", "id", "ie", "if", "i'll", "im", "immediate", "immediately", "importance", "important", "in", "inc", "indeed", "index", "information", "instead", "into", "invention", "inward", "is", "isn't", "it", "itd", "it'll", "its", "itself", "i've", "j", "just", "k", "keep", "keeps", "kept", "kg", "km", "know", "known", "knows", "l", "largely", "last", "lately", "later", "latter", "latterly", "least", "less", "lest", "let", "lets", "like", "liked", "likely", "line", "little", "'ll", "look", "looking", "looks", "ltd", "m", "made", "mainly", "make", "makes", "many", "may", "maybe", "me", "mean", "means", "meantime", "meanwhile", "merely", "mg", "might", "million", "miss", "ml", "more", "moreover", "most", "mostly", "mr", "mrs", "much", "mug", "must", "my", "myself", "n", "na", "name", "namely", "nay", "nd", "near", "nearly", "necessarily", "necessary", "need", "needs", "neither", "never", "nevertheless", "new", "next", "nine", "ninety", "no", "nobody", "non", "none", "nonetheless", "noone", "nor", "normally", "nos", "not", "noted", "nothing", "now", "nowhere", "o", "obtain", "obtained", "obviously", "of", "off", "often", "oh", "ok", "okay", "old", "omitted", "on", "once", "one", "ones", "only", "onto", "or", "ord", "other", "others", "otherwise", "ought", "our", "ours", "ourselves", "out", "outside", "over", "overall", "owing", "own", "p", "page", "pages", "part", "particular", "particularly", "past", "per", "perhaps", "placed", "please", "plus", "poorly", "possible", "possibly", "potentially", "pp", "predominantly", "present", "previously", "primarily", "probably", "promptly", "proud", "provides", "put", "q", "que", "quickly", "quite", "qv", "r", "ran", "rather", "rd", "re", "readily", "really", "recent", "recently", "ref", "refs", "regarding", "regardless", "regards", "related", "relatively", "research", "respectively", "resulted", "resulting", "results", "right", "run", "s", "said", "same", "saw", "say", "saying", "says", "sec", "section", "see", "seeing", "seem", "seemed", "seeming", "seems", "seen", "self", "selves", "sent", "seven", "several", "shall", "she", "shed", "she'll", "shes", "should", "shouldn't", "show", "showed", "shown", "showns", "shows", "significant", "significantly", "similar", "similarly", "since", "six", "slightly", "so", "some", "somebody", "somehow", "someone", "somethan", "something", "sometime", "sometimes", "somewhat", "somewhere", "soon", "sorry", "specifically", "specified", "specify", "specifying", "still", "stop", "strongly", "sub", "substantially", "successfully", "such", "sufficiently", "suggest", "sup", "sure", "t", "take", "taken", "taking", "tell", "tends", "th", "than", "thank", "thanks", "thanx", "that", "that'll", "thats", "that've", "the", "their", "theirs", "them", "themselves", "then", "thence", "there", "thereafter", "thereby", "thered", "therefore", "therein", "there'll", "thereof", "therere", "theres", "thereto", "thereupon", "there've", "these", "they", "theyd", "they'll", "theyre", "they've", "think", "this", "those", "thou", "though", "thoughh", "thousand", "throug", "through", "throughout", "thru", "thus", "til", "tip", "to", "together", "too", "took", "toward", "towards", "tried", "tries", "truly", "try", "trying", "ts", "twice", "two", "u", "un", "under", "unfortunately", "unless", "unlike", "unlikely", "until", "unto", "up", "upon", "ups", "us", "use", "used", "useful", "usefully", "usefulness", "uses", "using", "usually", "v", "value", "various", "'ve", "very", "via", "viz", "vol", "vols", "vs", "w", "want", "wants", "was", "wasn't", "way", "we", "wed", "welcome", "we'll", "went", "were", "weren't", "we've", "what", "whatever", "what'll", "whats", "when", "whence", "whenever", "where", "whereafter", "whereas", "whereby", "wherein", "wheres", "whereupon", "wherever", "whether", "which", "while", "whim", "whither", "who", "whod", "whoever", "whole", "who'll", "whom", "whomever", "whos", "whose", "why", "widely", "willing", "wish", "with", "within", "without", "won't", "words", "world", "would", "wouldn't", "www", "x", "y", "yes", "yet", "you", "youd", "you'll", "your", "youre", "yours", "yourself", "yourselves", "you've", "z", "zero"];
for (var i = 0; i < words.length; i++) {
if (stopWords.indexOf(words[i].toLowerCase()) === -1 && isNaN(words[i])) {
nonStopWords.push(words[i].toLowerCase());
}
}
var keywords = {};
for (var i = 0; i < nonStopWords.length; i++) {
if (nonStopWords[i] in keywords) {
keywords[nonStopWords[i]] += 1;
} else {
keywords[nonStopWords[i]] = 1;
}
}
var sortedKeywords = [];
for (var keyword in keywords) {
sortedKeywords.push([keyword, keywords[keyword]])
}
sortedKeywords.sort(function(a, b) {
return b[1] - a[1]
});
topKeywords.innerHTML = "";
for (var i = 0; i < sortedKeywords.length && i < 4; i++) {
var li = document.createElement('li');
li.innerHTML = "<b>" + sortedKeywords[i][0] + "</b>: " + sortedKeywords[i][1];
topKeywords.appendChild(li);
}
}
if (words) {
keywordsDiv.style.display = "block";
} else {
keywordsDiv.style.display = "none";
}
});
</script>
</body>
</html>Output for Word Count App in JavaScript:
Video:
Image:
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