Nodejs String Sub String from Left left(num)

Method Source Code

String.prototype.left = function(num) {
   var result = '';
   for (var i = 0; i < num; i++) {
      result += this[i];//from  w w  w .  j a va2 s. c o  m
   };
   return result;
}

Related

1. left(count)

   String.prototype.left = function(count) {
       if (count > this.length) return this.toString();
       return this.substring(0, count);
   };
   

2. left(i)

   String.prototype.left = function(i)
       if (this.length > i) return this.substr(0, i) + "...";
       return this;
   };
   

3. left(n)

   String.prototype.left = function(n) {
     return this.substr(0,n)
   

4. left(n)

   String.prototype.left = function(n) {
     return this.substr(0,n);
   };
   

5. left(n)

   String.prototype.left = function(n) {
       return this.slice(0, n);