How To Check If A String Contains A Substring Using Javascript
In This Javascript Tutorial we will see How To Virify If A Text Contains A Substring Using includes() On Buuton Click Event In JS Using Netbeans Editor .
Project Source Code:
<!DOCTYPE html>
<html>
<head>
<title>JavaScript Tutorial: Check If A String Contains A Substring</title>
<meta charset="windows-1252">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script>
function check()
{
var pgh = document.getElementById('pgh').innerHTML.toLowerCase();
var txt = document.getElementById('txt').value.toString().toLowerCase();
if(pgh.includes(txt))
{
alert('yes');
}else{
alert('no');
}
}
</script>
</head>
<body>
<p id="pgh">JavaScript Tutorial: Check If A String Contains A Substring</p>
<input type="text" id="txt" name="txt"/>
<button onclick="check();">Check</button>
</body>
</html>
OUTPUT:
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