javascript : Array.contains(Object)
javascript : Array .contains( Object ) Target: Applicable with Array Data Type. Description : Traverse in array and check whether it contains passed Value/Object by checking equality. Note: If array contains the passed object/value then return true else false . Syntax: [] .contains( val ) return true or false depending on whether the array contains passed value. Usase: [1,2,3,4,5].contains(1) It return true [1,2,3,4,5].contains('1') It return false ['1',"2",[3,4,5]].contains('1') It return true ['1',"2",[3,4,5]].contains('2') It return true ['1',"2",[3,4,5]].contains('3') It return false ['1',"2",[3,4,5]].contains([3,4,5]) It return true var arr=[{pName:"keyboard",price:550},{pName:"mouse",price:350},{pName:"ram",price:3500}]; arr.contains({pName:"mouse",price:350}); It return true var arr=[{pName:"keyboard",price:...