Nodejs String Hash hashCode()

Here you can find the source of hashCode()

Method Source Code

String.prototype.hashCode = function() {
  for(var ret = 0, i = 0, len = this.length; i < len; i++) {
    ret = (31 * ret + this.charCodeAt(i)) << 0;
  }/*  www  .ja va  2  s . c  o m*/
  return Math.abs(ret);
};

Related

  1. getHashCode(caseSensitive)
    String.prototype.getHashCode = function (caseSensitive) {
        var str = this;
        if (!caseSensitive) {
            str = str.toLowerCase();
        var hash = 1315423911, i, ch;
        for (i = str.length - 1; i >= 0; i--) {
            ch = str.charCodeAt(i);
            hash ^= ((hash << 5) + ch + (hash >> 2));
    ...
    
  2. hash()
    String.prototype.hash = function() {
      var hash = 0;
      for (var i = 0; i < this.length; i++) {
        var c = this.charCodeAt(i);
        hash = (hash << 5) - hash + this.charCodeAt(i);
        hash = hash & hash;
      return hash;
    };
    ...
    
  3. hash()
    String.prototype.hash = function () {
      var hash = 5381;
      for (var i = 0; i < this.length; i++) {
        var char = this.charCodeAt(i);
        hash = ((hash << 5) + hash) + char;
      return hash;
    };
    
  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() {
      for(var ret = 0, i = 0, len = this.length; i < len; i++) {
        ret = (31 * ret + this.charCodeAt(i)) << 0;
      return ret;
    };
    
  6. hashCode()
    String.prototype.hashCode = function(){
      var hash = 0;
      for (var i = 0; i < this.length; i++) {
        var code = this.charCodeAt(i);
        hash = ((hash<<5)-hash)+code;
        hash = hash & hash; 
      return hash;
    
  7. hashCode()
    String.prototype.hashCode = function () {
        var h = 0, i = 0, l = this.length;
        if (l === 0) return h;
        for (; i < l; i++) {
            h = ((h << 5) - h) + this.charCodeAt(i);
            h |= 0; 
        return h;
    };
    ...
    
  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;
      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;
    ...