find occurence of letter in js code example
Example 1: how do i count the number of occurrences in a string javascript
function charCount(myChar, str) {
let count = 0;
for (let i = 0; i < str.length; i++)
if (str.charAt(i) == myChar)
count++
return count;
}
Example 2: how to count specific letters in string js
console.log(("str1,str2,str3,str4".match(/,/g) || []).length); //logs 3
console.log(("str1,str2,str3,str4".match(new RegExp("str", "g")) || []).length); //logs 4