Nodejs String Ends With endsWith(suffix)

Method Source Code

/* Using prototype */
String.prototype.endsWith = function(suffix) {
    return this.indexOf(suffix, this.length - suffix.length) !== -1;
};

/* As a function */
function endsWith (str, suffix) {
    return str.indexOf(suffix, str.length - suffix.length) !== -1;
}

Related

1. endsWith(substring)

   String.prototype.endsWith = function(substring) {
       var stringLength = this.length;
       var substringLength = substring.length;
       if (substringLength > stringLength) {
           return false;
       var i;
       for (i = 0; i < substringLength; i += 1) {
           if (substring[substringLength - i] !== this[stringLength - i]) {
   ...
   

2. endsWith(substring)

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

3. endsWith(substring)

   String.prototype.endsWith = function(substring) {
       var compareString = this.substring(this.length - substring.length, this.length);
       return compareString === substring;
   };
   

4. endsWith(suffix)

   String.prototype.endsWith = function(suffix) {
       return this.indexOf(suffix, this.length - suffix.length) !== -1;
   };
   

5. endsWith(suffix)

   'use strict';
   String.prototype.endsWith = function(suffix) {
       return this.indexOf(suffix, this.length - suffix.length) !== -1;
   };
   

6. endsWith(suffix)

   "use strict";
   String.prototype.endsWith = function(suffix) {
     if (!suffix) return false;
     return this.indexOf(suffix, this.length - suffix.length) !== -1;
   };
   

7. endsWith(suffix)

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

8. endsWith(suffix)

   String.prototype.endsWith = function(suffix)
       return (this.substr(this.length - suffix.length) === suffix);
   

9. endsWith(suffix)

   String.prototype.endsWith = function(suffix) {
       return this.indexOf(suffix, this.length - suffix.length) !== -1;
   };