How would you check if a variable is null/undefined?
No Answer is Posted For this Question
Be the First to Post Answer
What is the role of javascript in html?
What is the use of a map object in javascript?
Name the numeric constants representing max, min values?
What is the function of delete operator?
What is an undefined value in JavaScript?
What is event bubbling in the dom?
How to create an object using javascript?
How to get complete current page url with javascript?
What value does prompt() return if the user clicked the cancel button?
What is event bubbling and capturing in javascript?
If an array with name as "names" contain three elements, then how will you print the third element of this array?
How to define a anonymous function?