Nodejs String Ends With endsWith(searchString, position)

Method Source Code

if (!String.prototype.endsWith) {
  String.prototype.endsWith = function(searchString, position) {
    var subjectString = this.toString();
    if (position === undefined || position > subjectString.length) {
      position = subjectString.length;
    }/*from  w  w  w  .ja  v a 2s  . c om*/
    position -= searchString.length;
    var lastIndex = subjectString.indexOf(searchString, position);
    return lastIndex !== -1 && lastIndex === position;
  };
}

Related

1. endsWith(s)

   String.prototype.endsWith = function(s){
       return this.indexOf(s) == this.length - s.length;
   };
   

2. endsWith(s)

   String.prototype.endsWith = function(s){
     var d = this.length - s.length;
     return d >= 0 && this.lastIndexOf(s) === d;
   

3. endsWith(s)

   String.prototype.endsWith=function(s)
     return this.substring(this.length-s.length)==s;
   };
   

4. endsWith(s, i)

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

5. endsWith(searchString)

   String.prototype.endsWith = function(searchString) {
   var result = true;     
      var subjectString = this.toString();
      for(var i=1;i<=searchString.length;i++){
         var lastcharsubjectString = subjectString.charAt(subjectString.length-i);
         var lastcharsearchString =searchString.charAt(searchString.length-i);
         if(lastcharsubjectString != lastcharsearchString){
            result = false;
            break;
   ...
   

6. endsWith(searchString, position)

   String.prototype.endsWith = function(searchString, position) {
         var subjectString = this.toString();
         if (position === undefined || position > subjectString.length) {
           position = subjectString.length;
         position -= searchString.length;
         var lastIndex = subjectString.indexOf(searchString, position);
         return lastIndex !== -1 && lastIndex === position;
     };
   ...
   

7. endsWith(searchString, position)

   String.prototype.endsWith = function(searchString, position) {
         var subjectString = this.toString();
         if (position === undefined || position > subjectString.length) {
           position = subjectString.length;
         position -= searchString.length;
         var lastIndex = subjectString.indexOf(searchString, position);
         return lastIndex !== -1 && lastIndex === position;
     };
   ...
   

8. endsWith(str)

   String.prototype.endsWith = function(str) {
       if (this.length - this.indexOf(str) === str.length) {
           return true;
       }else {
           return false;
   };
   

9. endsWith(str)

   String.prototype.endsWith = function(str)
       var lastIndex = this.lastIndexOf(str);
       return (lastIndex != -1) && (lastIndex + str.length == this.length);