Count the number of occurrences of a character in a string in Javascript

Question

I need to count the number of occurrences of a character in a string.

For example, suppose my string contains:

var mainStr = \"str1,str2,str3,str4\";         


        

Answer 1

What about string.split(desiredCharecter).length-1

Example:

var str = "hellow how is life"; var len = str.split("h").length-1; will give count 2 for character "h" in the above string;