HashMap for javascript target

js-hash-map

// http://kangax.github.io/compat-table/es5/#Object.create

var HashMap = function() {}
HashMap.prototype = Object.create(null);

var map = new HashMap();
map.__proto__ = '__proto__ value';
map.hasOwnProperty = 'hasOwnProperty value';
map.prototype = 'prototype value';
map.toString = 'toString value';

for (var key in map) {
    console.log('key=[' + key + '] value=[' + map[key] + ']');
}