Nodejs String Starts With startsWith(text)

Method Source Code

/**//from   www  . jav a 2 s.com
 * Indicates if a string starts with a text or not.
 * @param text Text to analyse.
 * @returns {boolean} True if the string starts with the text, false if not.
 */
String.prototype.startsWith = function(text) {
    return text != null && this.indexOf(text) == 0;
};

Related

1. startsWith(suffix)

   String.prototype.startsWith = function(prefix) {
     return (this.indexOf(prefix) == 0);
   };
   module.exports = {};
   

2. startsWith(suffix)

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

3. startsWith(text)

   console.log(typeof Array.prototype.sort);          
   console.log(typeof String.prototype.substring);    
   String.prototype.startsWith = function (text) {
     return this.indexOf(text) === 0;
   };
   var msg = 'Hello world!';
   console.log(msg.startsWith('Hello'));  
   

4. startsWith(text)

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

5. startsWith(text)

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

6. startsWith(value)

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

7. startsWith(value)

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

8. startsWith(value)

   String.prototype.startsWith = function(value) {
     if (!value)
       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();
   ...
   

9. 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;
   };