Nodejs String Hash hashCode()

Here you can find the source of hashCode()

Method Source Code

String.prototype.hashCode = function(){
    var hash = 0;
    if (this.length === 0) return hash;
    for (i = 0; i < this.length; i++) {
        char = this.charCodeAt(i);/*from   w  w  w  . j ava  2  s  .  com*/
        hash = ((hash<<5)-hash)+char;
        hash = hash & hash; // Convert to 32bit integer
    }
    return hash;
};

Related

  1. 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;
    ...
    
  2. hashCode()
    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; 
        return hash;
    ...
    
  3. 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);
    ...
    
  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;
      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;
    ...
    
  6. 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 |= 0 
        return hash
    ...
    
  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++) {
            char = this.charCodeAt(i);
            hash = ((hash<<5)-hash)+char;
            hash = hash & hash; 
        return hash;
    ...
    
  9. 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);
    ...