Nodejs String Count count()

Method Source Code

// New string from constructor

var a = new String();
var b = new String("Hello World");
var c = new String("ABC");
String.prototype.count = function() { return this.length; }

result = a=="" && b=="Hello World" && c.count()==3;

Related

1. count(c)

   String.prototype.count = function(c) {
     var count = 0;
     for(var i = 0; i < this.length; i += 1) {
       if(this[i] === c) { count += 1; }
     return count;
   };
   

2. count(c)

   String.prototype.count=function(c) { 
     var result = 0, i = 0;
     for(i;i<this.length;i++)if(this[i]==c)result++;
     return result;
   };
   function commonCharacterCount(s1, s2) {
       var chars = [];
       var total = 0;
       for(var i = 0; i < s1.length; i++){
   ...
   

3. count(s1)

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

4. count(s1)

   String.prototype.count=function(s1) { 
       return (this.length - this.replace(new RegExp(s1,"g"), '').length) / s1.length;
   String.prototype.trunc = String.prototype.trunc ||
   function(n){
     return this.length>n ? this.substr(0,n-1)+'...' : this;
   };
   Array.prototype.remove = function(from, to) {
     var rest = this.slice((to || from) + 1 || this.length);
   ...