Nodejs String Starts With startsWith(searchString, position)

Method Source Code

// Native String.startswith() sometimes incorrectly returns false on Android!
// $FlowIssue redefining startsWith
String.prototype.startsWith = function(searchString, position) {
  position = position || 0//from   w  ww.ja  va2s .  co  m
  return this.substr(position, searchString.length) === searchString
}

Related

1. startsWith(s, i)

   String.prototype.startsWith = function(s, i) {
     if(i) { return s.toLowerCase() == this.substring(0, s.length).toLowerCase() }
     return s == this.substring(0, s.length)
   };
   

2. startsWith(search, pos)

   String.prototype.startsWith = String.prototype.startsWith || function(search, pos) {
       'use strict';
       return this.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
   };
   

3. startsWith(searchString, position)

   String.prototype.startsWith = function(searchString, position) {
     position = position || 0;
     return this.indexOf(searchString, position) === position;
   

4. startsWith(searchString, position)

   if (!String.prototype.startsWith) {
     String.prototype.startsWith = function(searchString, position) {
       position = position || 0;
       return this.indexOf(searchString, position) === position;
     };
   

5. startsWith(searchString, position)

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

6. startsWith(start)

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

7. startsWith(start)

   String.prototype.startsWith = function(start) {
       if(start == '') return true;
       else if(start == null || start.length > this.length) return false;
       else return this.substring(0,start.length) == start;
   

8. startsWith(str)

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

9. startsWith(str)

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