How do you check if a string is a number javascript?
What is output of “20” + 20 + 20 and “20” + ( 20 + 20)? In javascript?
Explain how to detect the operating system on the client machine?
Explain escape() in javascript?
Can I open javascript on iphone?
What is a nan value?
What is callback?
How to add a new property in existing function javascript?
Is a parabola a function?
Which operator is used to assign a value to a variable?
What is a callback url?
Is javascript server side or client side?
How can you to add javascript to a page when performing an asynchronous postback?