string properties , methods 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>string</title>
</head>
<body>
<script>
var text = 'Hello programmers';
var text1 = "Hello programmers";
// console.log(text);
// console.log(text1);
var single = 'it\'s my pleasure';
var singlew = "it\"s my pleasure";
console.log(single);
console.log(singlew);
// single quotes in double quote and vise wersa
var single = "It's my pleasure";
var single = 'It"s my pleasure';
// var back = "2\3" // throw an error
var back = "2\\3";
console.log(back);
var len = "this is paragraph text paragraph for paragraph length checking";
console.log(len.length);
var x = len.slice(0,4); // starting point , end point
console.log(x);
x = len.slice(5);
console.log(x);
x = len.slice(-12,-2);
console.log(x);
var y = len.substring(0,4); // substing not take negative values (-12,-2); starting point , end point
console.log(y);
var c = len.substr(10,10); // starting point , length
console.log(c);
var f = len.replace(/paragraph/g,'div');
console.log(f);
f = len.replace(/Paragraph/i,'div');
console.log(f);
// upperCase
var upp = len.toUpperCase();
// document.write(upp);
var low = upp.toLowerCase();
// document.write(low);
var con = upp.concat(' ' + low);
// document.write(con);
var trimmm = " heloo sdf fdf ";
document.write(trimmm.trim());
</script>
</body>
</html>
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