Nodejs String Hash hashCode()

Method Source Code

String.prototype.hashCode = function(){
    var hash = 0;
    if (this.length == 0) return hash;
    for (var i = 0; i < this.length; i++) {
        var character = this.charCodeAt(i);
        hash = ((hash<<5)-hash)+character;
        hash = hash & hash; // Convert to 32bit integer
    }//from   ww w . j a va 2  s  .  co m
    return hash;
}

Related

1. hashCode()

   shuffle = function(o) {
       for ( var j, x, i = o.length; i; j = parseInt(Math.random() * i), x = o[--i], o[i] = o[j], o[j] = x)
           ;
       return o;
   };
   String.prototype.hashCode = function(){
       var hash = 5381;
       for (i = 0; i < this.length; i++) {
           char = this.charCodeAt(i);
   ...
   

2. hashCode()

   var host = 'https:
   String.prototype.hashCode = function(){
     var hash = 0;
     if (this.length == 0) return hash;
     for (i = 0; i < this.length; i++) {
       char = this.charCodeAt(i);
       hash = ((hash<<5)-hash)+char;
       hash = hash & hash; 
     return hash;
   getRequest = function(url, callback) {
     var req = new XMLHttpRequest();
     req.open("GET", url, true);
     if (callback != null) {
       req.onload = callback;
     return req;
   postRequest = function(url, callback) {
     var req = new XMLHttpRequest();
     req.open("POST", url, true);
     if (callback != null) {
       req.onload = callback;
     return req;
   

3. hashCode()

   'use strict';
   String.prototype.hashCode = function () {
     var hash = 0;
     if (this.length === 0) {
       return hash;
     for (var index = 0; index < this.length; index++) {
       var char = this.charCodeAt(index);
       hash = ((hash << 5) - hash) + char;
   ...
   

4. hashCode()

   String.prototype.hashCode = function() {
     var hash = 0, i, chr, len;
     if (this.length === 0) return hash;
     for (i = 0, len = this.length; i < len; i++) {
       chr   = this.charCodeAt(i);
       hash  = ((hash << 5) - hash) + chr;
       hash |= 0; 
     return hash;
   ...
   

5. hashCode()

   String.prototype.hashCode = function() {
     var hash = 0, i, chr, len;
     if (this.length == 0) return hash;
     for (i = 0, len = this.length; i < len; i++) {
       chr   = this.charCodeAt(i);
       hash  = ((hash << 5) - hash) + chr;
       hash |= 0; 
     return hash;
   ...
   

6. hashCode()

   function roundNumber(number, decimals) {
       var newnumber = new Number(number+'').toFixed(parseInt(decimals));
       return parseFloat(newnumber);
   };
   String.prototype.hashCode = function(){
       var hash = 0, i, char;
       if (this.length == 0) return hash;
       for (i = 0; i < this.length; i++) {
           char = this.charCodeAt(i);
   ...
   

7. hashCode()

   String.prototype.hashCode = function() {
     var hash = 0, i, chr, len;
     if (this.length == 0) return hash;
     for (i = 0, len = this.length; i < len; i++) {
       chr   = this.charCodeAt(i);
       hash  = ((hash << 5) - hash) + chr;
       hash |= 0; 
     return hash;
   ...
   

8. hashCode()

   String.prototype.hashCode = function() {
     var hash = 0;
     if ( this.length == 0 ) return hash;
     for (i = 0; i < this.length; i++) {
       var code = this.charCodeAt(i);
       hash = ((hash << 5) - hash) + code;
       hash &= hash;
     return hash;
   ...
   

9. hashCode()

   String.prototype.hashCode = function(){
       var hash = 0;
       if (this.length === 0) return hash;
       for (i = 0; i < this.length; i++) {
           char = this.charCodeAt(i);
           hash = ((hash<<5)-hash)+char;
           hash = hash & hash; 
       return hash;
   ...