javascript array indexof custom object

 

 

 

 

JS Object Introduction JS Create Object JS Object Properties.Javascript Object Type : Array. An array is defined as a collection of like elements or values, eg a collection of names, images, audio files etc. Object.Returns the index of the first occurrence of item within the array, or -1 if item doesnt exist in the array. ArrayindexOf compares items using strict equality (). JavaScript performance comparison. Test case created by Thomas Kindl on 2014-2-22. Preparation code. < script>.search index of key in array of 100 items. if (arr100.indexOf(searchKey100)) pending 20 Videos with keywords Javascript Array Indexof Custom Object.This video shows you an example of using the two provided methods in JavaScript, indexOf and lastIndexOf, to find items in an array. indexOf() Example 1