What is a null variable?
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What is output of “20” + 20 + 20 and “20” + ( 20 + 20)? In javascript?
What is an asynchronous programming? Why is it important in javascript?
What is object cloning
Explain the for-in loop?
how do you declare variables in javascript?
do any browser need activeX object to run javascripts?
what are the differences between as2 and as3?
What are two-way data binding and one-way data flow, and how are they different?
What does === mean in js?
What makes something a function?
how can we retrieve value from one database server and store them another database server using sql server code
Write the code for adding new elements dynamically?