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gaurav bhardwaj

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  1. Thank you for reply,But i do not understand the concept.Yes this is right return statement use to get a value return from function ,But Where should I use that ,because i am getting same answer by example first,And if i fix the value in return statement so I will get the that value rather It does matter how the function design or write
  2. if i take this example function add_num(){ var num1=10; var num2=10; var num3=num1+num2; document.write(num3); } add_num(); and function add_num(){ var num1=10; var num2=10; var num3=num1+num2; return num3; } var total_num=add_num(); document.write(total_num); Q.1-:Why do we use return statement , Q.2-:When we get the same answer by example no .1 so why do we use return statement. Q.3-:If I change the return statement like ;(return 50;) and call the function ,I got the 50 .rather then it should be 20. why.
  3. Want to learn Javascript

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