What is console.time() and console.timeend()? What is its syntax, and why is it used?
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Define unescape() and escape() functions?
What is constructor?
How to set the focus in an element using javascript?
How to check if a variable is an integer in javascript ?
What is js injection?
What is stack queue?
What is scope javascript?
Should I learn java first or javascript?
In javascript chained select menus are available.first select menu is worked and others are disabled.when we select any one option then the next select menu will worked having option releated to selcted in first select menu.How it possible? what is the coading of this programme?
Please write the Code of simple javascript calculator withot eval() function
Can you use javascript to hack?
What does the instanceof operator do?