JavaScript Reference :: Function

methods

apply

Applies the method of another object.

Motorcycle.prototype = {
	...
	engine: new Motor(this.cc),
	...
	revEngine: function(rpms) {
		//calls the increaseRpm method of the engine object
		//and passes the Motorcycle object as the scope.
		if (!this.engine.started) {
			this.engine.start.call();
		}
		this.engine.increaseRpm.apply(this, rpms);
	},
	...
};
								

call

Calls a method of another object.

Motorcycle.prototype = {
	...
	engine: new Motor(this.cc),
	...
	revEngine: function(rpms) {
		//calls the increaseRpm method of the engine object
		//and passes the Motorcycle object as the scope.
		if (!this.engine.started) {
			this.engine.start.call();
		}
		this.engine.increaseRpm.apply(this, rpms);
	},
	...
};
								

object toSource()

Returns a literal representing the source code of the object e.g "function Object() { [native code] }" or "function Car(manufactuer, model, productionyear) { this.make = manufactuer; this.model = model; this.year = productionyear; }".

string toString()

Returns a string representing the object i.e. "[object Object]".

void unwatch(property)

Removes a previously set watchpoint.

object valueOf()

Returns the primitive value of the object e.g. "function Object() { [native code] }".

void watch(property, handlingFunction)

Calls the handlingFunction when the property is changed.