how do i know if it gives pass true back

Question

Does JavaScript expression assert("1" === 1) gives PASS(TRUE) back ?

Look [here](http://www.w3schools.com/js/js_comparisons.asp) for a list of how operators work in javascript — Callum Linington, Aug 20 '14 at 13:04

score 1 · Answer 1 · answered Aug 20 '14 at 13:03

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No, '===' means identical. "1" and 1 aren't identical because "1" is a string and 1 is a integer. Using '==' would return true.

answered Aug 20 '14 at 13:03

Xanco

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Thanks for the answer – user3697106 Aug 20 '14 at 13:11

score 0 · Answer 2 · edited May 23 '17 at 12:21

0

No it would return false.

The reason for this is because === is an equality check without coercion therefore the types are not converted. This means, effectively what you are comparing is a String to an Number which obviously aren't the same thing.

See Does it matter which equals operator (== vs ===) I use in JavaScript comparisons? for more info on the use of == vs ===.

edited May 23 '17 at 12:21

Community

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answered Aug 20 '14 at 13:03

James

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Thanks for the answer – user3697106 Aug 20 '14 at 13:12

score -1 · Answer 3 · answered Aug 20 '14 at 13:03

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String "1" is not === to integer 1, so you're evaluating assert(false) which returns fail.

("1"===1) = false
assert(false) => fail

answered Aug 20 '14 at 13:03

ffflabs

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Thanks for the answer – user3697106 Aug 20 '14 at 13:13

how do i know if it gives pass true back

3 Answers3