JavaScript Tutorial - instanceof operator

var a = [1,2,3]; a instanceof Object //true a instanceof Array //true a instanceof String //false a instanceof RegExp //false a instanceof Boolean //false var d = new Date(); d instanceof Object //true d instanceof Date //true Like my Facebook page: https://www.facebook.com/pages/WebTunings/339234242822202 Recommended JavaScript Book: http://www.amazon.com/gp/product/0596805527/ref=as_li_qf_sp_asin_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0596805527&linkCode=as2&tag=webtuningscom-20 Code snippets: https://github.com/webtunings