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Asked by Vikram Last Modified
Answer 
Naga Swathi
IT Professional Trainer with 15 years of experience in IT Industry
Your question is not clear. But I will give you an answer to your question.
var is initializer ob variables / HTML elements object. When you are want to create an event function that time you needs some elements, objects will be works in your function. So you need to create var for init for your elements.
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