Nodejs String Starts With startsWith(value)

Method Source Code

String.prototype.startsWith = function(value) {
   if (!value)// www.  j  av  a 2 s  .c o m
      return false;
   if (value.length > this.length)
      return false;

   return value === this.substring(0, value.length);
};

String.prototype.formatForUrl = function () {
   return this.replace(/[^a-z0-9]/gi, '-').toLowerCase();
};

Related

1. startsWith(text)

   String.prototype.startsWith = function (text) {
       return this.indexOf(text) == 0;
   };
   var msg = "Hello world!";
   print(msg.startsWith("Hello"));   
   

2. startsWith(text)

   String.prototype.startsWith = function (text) {
     return this.substring(0, text.length) === text;
   };
   

3. startsWith(text)

   String.prototype.startsWith = function(text) {
       return text != null && this.indexOf(text) == 0;
   };
   

4. startsWith(value)

   String.prototype.startsWith=  function(value)
       if (value.length <= this.length)
           return this.substring(0, value.length) == value;
       return false;
   };
   

5. startsWith(value)

   String.prototype.startsWith = function (value) {
       'use strict';
       return this.lastIndexOf(value, 0) === 0;
   };
   

6. startsWith(value)

   String.prototype.startsWith = function (value) {
     if (value == undefined || typeof (value) != "string")
       return false;
     if (value.length == 0)
       return true;
     return this.substring(0, value.length) == value;
   };
   

7. startsWith(value)

   String.prototype.startsWith = function (value) {
       "use strict";
       var length = this.substring(0, value.length),
           startsWith = false;
       if (length === value && value !== "" && value !== 'undefined') {
           startsWith = true;
       return startsWith;
   };
   ...
   

8. startsWith(x)

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

9. startsWithAny(strings)

   String.prototype.startsWithAny = function(strings){
       for (var i = 0; i < strings.length; i++)
           if (this.startsWith(strings[i]))
               return true;
       return false;
   String.prototype.startsWith = function(str){
       return (this.indexOf(str) === 0);