Nodejs String Starts With startsWith(str)

Method Source Code

String.prototype.startsWith = function(str) {
  return (this.match("^"+str)==str);
}

String.prototype.endsWith = function(str)  {
  return (this.match(str+"$")==str);
}

Related

1. startsWith(str)

   String.prototype.startsWith = function(str){
       return this.substr(0, str.length) === str;
   };
   

2. startsWith(str)

   String.prototype.startsWith = function(str) {
       return ( str === this.substr( 0, str.length ) );
   

3. startsWith(str)

   String.prototype.startsWith = String.prototype.startsWith || function(str) {
     return this.indexOf(str) === 0;
   };
   export default String;
   

4. startsWith(str)

   String.prototype.startsWith = function(str) {
     return (this.indexOf(str) == 0);
   };
   

5. startsWith(str)

   String.prototype.startsWith = function (str){
       return this.indexOf(str) == 0;
   };
   

6. startsWith(str)

   String.prototype.startsWith = function(str){
       return (this.indexOf(str) === 0);
   

7. startsWith(str)

   String.prototype.startsWith = String.prototype.startsWith || function(str){
      return this.substr(0,str.length) === str
   };
   String.prototype.contains   = String.prototype.contains   || function(str){
     return this.indexOf(str) >= 0
   };
   

8. startsWith(str)

   String.prototype.startsWith = function(str) {
     return (this.match("^"+str)==str);
   };
   

9. startsWith(str)

   String.prototype.startsWith = function (str) {
     return this.indexOf(str) === 0;
   };