The snippet that has to be used to check if “a” is not equal to “null” i

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The snippet that has to be used to check if “a” is not equal to “null” is



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2) Which of the following Attribute is used to include External JS code inside your HTML Document

3) Assume that we have to convert “false” that is a non-string to string. The command that we use is (without invoking the “new” operator)

4) Which attribute is used to specify that the script is executed when the page has finished parsing ( only for external scripts )

5) Why JavaScript is called as Lightweight Programming Language ?

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