Nodejs String Starts With beginsWith(t)

Method Source Code

/*//ww w  . j  ava2s  .c om
 * Generic scripts
 *
 * @author Rogier van der Linde <rogier@bitmatters.be>
 */


String.prototype.beginsWith = function(t) {
    'use strict';
    t = t.toString();
    return (t.toString() === this.substring(0, t.length));
};

String.prototype.trim = function() {
    'use strict';
    return this.replace(/^\s+/,'').replace(/\s+$/,'');
};

String.prototype.getParameter = function(t) {
    'use strict';
    t = t.toString();
    var pairs = this.split('&');
    for (var i = 0; i < pairs.length; i++) {
        var keyValue = pairs[i].split('=');
        if (decodeURI(keyValue[0]) === t) {
            return decodeURI(keyValue[1]);
        }
    }
    return undefined;
};

Related

1. startWith(text)

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

2. startWithVowel()

   String.prototype.startWithVowel = function () {
       return this.charAt(0).toLowerCase().isVowel();
   };
   String.prototype.isVowel = function () {
       var vowels = ['a', 'e', 'i', 'o', 'u'];
       return vowels.indexOf(this.toLowerCase()) != -1;
   };
   

3. beginsWith( str )

   String.prototype.beginsWith = function( str ) {
       return this.substr( 0, str.length ) == str;
   };
   

4. beginsWith(s)

   String.prototype.beginsWith = function(s){
       return this.indexOf(s) == 0;
   };
   

5. beginsWith(s)

   String.prototype.beginsWith= function(s)
       return s===this.substring(0, s.length);
   if (!String.prototype.localeCompare)
       String.prototype.localeCompare = function(other)
           if (this < other)
               return -1;
   ...
   

6. beginsWith(t)

   String.prototype.beginsWith = function(t) {
       'use strict';
       t = t.toString();
       return (t.toString() === this.substring(0, t.length));
   };
   

7. beginsWith(t, i)

   String.prototype.beginsWith = function(t, i) {
     if (i == false) {
       return (t == this.substring(0, t.length));
     } else {
       return (t.toLowerCase() == this.substring(0, t.length).toLowerCase());
   };
   

8. beginsWithVowel()

   String.prototype.beginsWithVowel = function(){
     if (this == "") return false;
     return "aeiou".split("").indexOf(this[0].toLowerCase()) !== -1
   function translatePigLatin(str) {
      var nonv = str.split(/[aeiou]/)[0].length
      if (nonv == 0){
          return str + "way";
       }else {
   ...