How to check if a string contains a specific word in javascript Code Example - Coding

check for substring javascript

const string = "javascript";
const substring = "script";

console.log(string.includes(substring));  //true

check if string contains word nodejs

'a nice string'.includes('nice') //true
'a nice string'.includes('nice', 3) //false
'a nice string'.includes('nice', 2) //true

Source: flaviocopes.com

javascript check if string contains a text substring

stringVariable.includes("Your Text");

how to check if a string contains a specific word in javascript

<!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">
    <title>Document</title>
</head>
<body>
    <input type="text" id='input'>
<button type="button" onclick='btn()'>Alert</button>


<script>
function btn(){
var input=document.getElementById('input').value;
 
 var subs=[
'name','what','child','all','candy'
 ];
 for (let i = 0; i <subs.length; i++) {
     
     
 
 if(input.includes(subs[i])){
     alert("includes " + subs[i]);
 } 
 else{
   console.log('dosnt include '+ subs[i]);
 }
}
}

</script>
</body>
</html>

Javascript

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Type:	Code Example
Category:	Coding
Sub Category:	Code Example
Uploaded by:	Admin
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