count occurrences of character in string javascript
var temp = "This is a string.";
var count = (temp.match(/is/g) || []).length;
console.log(count);
Output: 2
Explaination : The g in the regular expression (short for global) says to search the whole string rather than just find the first occurrence. This matches 'is' twice.js character certain count
var str = "Hello Lewes";
var ch = 'e';
var count = str.split("e").length - 1;
console.log(count);
/*
Output: 3
*/javascript length
var colors = ["Red", "Orange", "Blue", "Green"];
var colorsLength=colors.length;//4 is colors array length
var str = "bug";
var strLength=str.length;//3 is the number of characters in bugCopyright © 2021 Codeinu
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