Hi dear welcome to "CodePrime" Blog . In this post you are going to learn JavaScript Array Methods - Includes Function | Javascript Tutorial: 29 | . First Creat A index.html file Copy This HTML CODE and pest it one your code editor. 2ndly creat includes.js file Then Copy The JS CODE and pest it then open the index.html file with your browser.
HTML
<!DOCTYPE html>
<html lang="en">
<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">
<script src="/includes.js"></script>
<title>javascript</title>
</head>
<body>
<br><br>
<h2>Javascript Tutorial <br>By Codeprime</h2>
</body>
<style>
h2{
color:#fff;
background-color: #000;
padding: 5px;
}
</style>
</html>
JAVASCRIPT CODE
//title
document.write("<h2> Includes - example</h2> <br><br>")
//start
var a = ["Hanif", "123Rubia", "Hassan", "Abbas"];
document.write(a + "<br><br>")
if (a.includes("123Rubia")) {
document.write("<h2>This case is valid</h2>")
} else{
document.write("<h2>This case is invalid</h2>")
};
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