Nodejs String Ends With endsWith(str)

Method Source Code

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

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

Related

1. endsWith(searchString, position)

   if (!String.prototype.endsWith) {
     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;
   ...
   

2. 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;
     };
   ...
   

3. 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;
     };
   ...
   

4. endsWith(str)

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

5. endsWith(str)

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

6. endsWith(str)

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

7. endsWith(str)

   String.prototype.endsWith = function (str){
       return this.slice(-str.length) === str;
   };
   

8. endsWith(str)

   String.prototype.endsWith = function(str){
     return this.slice(-str.length) == str
   

9. endsWith(str)

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