zykadelic

// Douglas Crockford's Supplant
if(!String.prototype.supplant){
	String.prototype.supplant = function(o){
		return this.replace(/\{([^{}]*)\}/g, function(a, b){
			var r = o[b];
			return typeof r === 'string' || typeof r === 'number' ? r : a;
		});
	};
}

zykadelic

Array.prototype.remove = function(obj){
	// Copy the array, so we don't override it
	var array = this.slice(0);
	
	for(var i = 0; i < array.length; i++){
		
		// Use while-loop to find adjacent equal objects
		while(array[i] === obj){
			// Remove this[i]
			array.splice(i, 1)[0];