setFn = function(value, key) {
			target[key] = value;
		}
Applies the contents of two or more objects together into the first object.
@param {Object} target - The target object in which all objects are merged into.
@param {Object} arg1 - Object containing additional properties to merge in target.
@param {Object} argN - Additional objects containing properties to merge in target.
@returns {Object} The `target` object.