What is purpose of onerror event handler in javascript?
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What are the boolean operators supported by javascript? And operator: &&
What does e mean in javascript?
Is function a data type in javascript?
What are trailing whitespace?
Name the types of functions.
Can you explain the difference between call and apply?
How to validate email in javascript?
What can be the challenges during testing a program or a system?
Is javascript a highly secure scripting language?
What does the attribute defer/async do when added to the script tag?
Difference between the substr() and substring() in JavaScript?
What is the difference between == and ===? Which one would you use?