Nodejs String Insert insert(index, string)

Method Source Code

String.prototype.insert = function (index, string) {
  if (index > 0)
    return this.substring(0, index) + string + this.substring(index, this.length);
  else// ww w  .  j a v  a 2s.com
    return string + this;
};

Related

1. insert(index, string)

   Object.size = function(obj) {
       var size = 0, key;
       for (key in obj) {
           if (obj.hasOwnProperty(key)) size++;
       return size;
   };
   String.prototype.insert = function (index, string) {
     if (index > 0)
   ...
   

2. insert(index, string)

   String.prototype.insert = function (index, string) {
     if (index > 0) {
       return this.substring(0, index) + string + this.substring(index, this.length);
     else {
       return string + this;
   };
   

3. insert(start, new_string)

   String.prototype.insert = function(start, new_string)
     return this.slice(0, start) + new_string + this.slice(start);
   };
   String.prototype.splice = function(start, length, insert)
     return this.substring(0, start) + insert + this.substring(start + length);
   };
   Object.prototype.extend = function(other)
   ...
   

4. insert(start, new_string)

   String.prototype.insert = function(start, new_string)
     return this.slice(0, start) + new_string + this.slice(start);
   };
   String.prototype.splice = function(start, length, insert)
     return this.substring(0, start) + insert + this.substring(start + length);
   };
   Object.prototype.extend = function(other)
   ...