In JavaScript's system, most of this data is neatly separated into things called values. Every value has a type, which determines the kind of role it can play. There are six basic types of values: Numbers, strings, booleans, objects, functions, and undefined values. Â¶ To create a value, one must merely invoke its name.
Average Cost. According to costhelper.com, the cost of timing belt replacement varies between $250 and $750, depending the make and model of the car as well as the price of the labor. To offset any sticker shock, it's best to discuss cost in any initial consultations with your mechanic.
1 Hiring a mechanic to replace a timing chain typically costs $300-$1,000, depending on the make and model of the vehicle, its age and whether the work is performed at a dealership or an independent shop.2  Purchased separately, a timing chain typically costs $50-$250 or more. Timing chains are often sold in kits which contain additional smaller parts that can be used in the repair. 2  Prices for kits vary considerably, from $20 to $1,000 ,as replacement parts for some original equipment manufacturers simply cost more to build than for others.