The JavaScript Interview Handbook: 100+ Interview Questions/

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Solution Review: Instance of Array?

Solution Review: Instance of Array?

This lesson will explain the solution to the problem in the previous lesson.

We'll cover the following...

Solution #

Javascript (babel-node)
function check(){
    var tempFunc = function () {}
    tempFunc.prototype = Array.prototype
    return new tempFunc instanceof Array; 
}
console.log(check())

Explanation #

The exercise required you to write some code so that the line

return new tempFunc instanceof Array
...