String variable in the javascript:-
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>String function in javascript</title>
<script>
var str = "This is the vishal";
// first occurance of index agar apko find karna hai string me kuch to
var position = str.indexOf("vishal");
// last occurance of index agar apko find karna hai string me kuch to
position = str.lastIndexOf("is");
console.log(position)
// 1 se 7 tak slice kar denga string ko
// var sli = str.slice(1,7)
// var sli = str.substring(1,9)
var sli = str.substr(1,3)
console.log(sli)
// agar apko string se kuch ko remove karna hai to
var newString = str.replace("vishal","Test")
console.log(str)
console.log(newString)
console.log(newString)
// string ko upper case karna hai to use kare
console.log(str.toUpperCase())
// string ko small case me karna hai to use kare
console.log(str.toLowerCase())
var con_string = str.concat(" Testing buddy ")
console.log(con_string)
// trim the string white space
console.log(con_string.trim())
// string me character ko search karna hai to
var char2 = str.charAt(2)
// character code ko return karta hai
// char2 = str.charCodeAt(2)
console.log(char2)
</script>
</head>
<body>
<div class="container">
</div>
</body>
</html>
Thanks you for commenting your questions. I will see question and respond you.