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

10:46 AM

If you want to count that how many time a string is appearing in a big string the you can count it by Javascript. I've made a prototype function for this :

String.prototype.count=function(s1) {   
    return (this.length - this.replace(new RegExp(s1,"g"), '').length) / s1.length;  

};

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