Nodejs String Starts With startsWith(str)

Method Source Code

String.prototype.startsWith=function(str){
    if(str==null||str==""||this.length==0||str.length>this.length)
       return false;
    if(this.substr(0,str.length)==str)
       return true;
    else// w w w  . ja v  a  2 s.  c om
       return false;
    return true;
};

Related

1. startsWith(str)

   String.prototype.startsWith = function(str) {
       if (typeof str !== 'string') return false;
       return this.indexOf(str) === 0;
   };
   

2. startsWith(str)

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

3. startsWith(str)

   String.prototype.startsWith = function(str)
   {return (this.match("^"+str)==str)}
   String.prototype.endsWith = function(str)
   {return (this.match(str+"$")==str)}
   var myStr = "Earth is a beautiful planet";
   if (myStr.startsWith("Earth")) { 
     console.log("TRUE");
   else {
   ...
   

4. startsWith(str)

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

5. startsWith(str)

   'use strict';
   app.filter('urlFilter', function () {
     return function (link) {
       var result;
       var startUrl = "http://";
       if (link.startsWith("www")) {
         result = startUrl + link;
       else if(link.startsWith("http")) {
   ...
   

6. startsWith(str)

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

7. startsWith(str)

   String.prototype.startsWith = function(str) {
     return (this.match('^'+str)==str)
   

8. startsWith(str)

   String.prototype.startsWith = function(str) {
       var len = str.length;
       if (len > this.length) { return false; }
       return this.substring(0, len) === str;
   };
   

9. startsWith(str)

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