55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
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function Hash(){
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for( var i=0; i < arguments.length; i++ )
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for( n in arguments[i] )
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if( arguments[i].hasOwnProperty(n) )
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this[n] = arguments[i][n];
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}
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// Hash.version = 1.00; // Original version
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// Hash.version = 1.01; // Added ability to initialize in the constructor
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// Hash.version = 1.02; // Fixed document bug that showed a non-working example (thanks mareks)
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//Hash.version = 1.03; // Removed returning this from the constructor (thanks em-dash)
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Hash.version = 1.04; // Missed some 'var' declarations (thanks Twey)
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Hash.prototype = new Object();
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Hash.prototype.keys = function(){
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var rv = [];
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for( var n in this )
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if( this.hasOwnProperty(n) )
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rv.push(n);
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return rv;
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}
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Hash.prototype.length = function(){
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return this.keys().length();
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}
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Hash.prototype.values = function(){
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var rv = [];
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for( var n in this )
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if( this.hasOwnProperty(n) )
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rv.push(this[n]);
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return rv;
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}
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Hash.prototype.slice = function(){
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var rv = [];
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for( var i = 0; i < arguments.length; i++ )
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rv.push(
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( this.hasOwnProperty( arguments[i] ) )
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? this[arguments[i]]
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: undefined
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);
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return rv;
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}
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Hash.prototype.concat = function(){
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for( var i = 0; i < arguments.length; i++ )
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for( var n in arguments[i] )
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if( arguments[i].hasOwnProperty(n) )
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this[n] = arguments[i][n];
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return this;
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}
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