Why doesn't this JavaScript variable get set to true?

Asked Aug 04 '16 at 04:52

Active Aug 04 '16 at 06:12

Viewed 77 times

In my code, the following condition returns true value:

($("#planSelected").val() == "PremiumPrepurchase")

But when I'm saving that value to a variable say 'isPremiumPrepurchase', the value of 'isPremiumPrepurchase' is getting false, Why this happening?

var isPremiumPrepurchase = ($("#planSelected").val() == "PremiumPrepurchase");

Thank you :)

edited Aug 04 '16 at 06:12

Syam Pillai

asked Aug 04 '16 at 04:52

Izzy

2

1) You should use === instead of == 2) My guess is that when you run the code, the .val() isn't set yet. But when you look at it through web tools, the code has executed and a .val() is set. – VtoCorleone Aug 04 '16 at 04:54
2

Do you wait 'till the document is ready? – Andrew Li Aug 04 '16 at 04:56
2

this works. check here https://jsfiddle.net/ab3ta7oc/ – Dipali Vasani Aug 04 '16 at 04:57
1

@VtoCorleone - `===` vs `==` when comparing at least one non-empty string is irrelevant – Jaromanda X Aug 04 '16 at 05:00
1

@JaromandaX I think that was just general advise. – Spencer Wieczorek Aug 04 '16 at 05:02
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and my general advice was to stop worrying about == vs === where it is irrelevant – Jaromanda X Aug 04 '16 at 05:05
Andrew L you got it - put this as an answer and I'll mark it correct – Izzy Aug 04 '16 at 05:34
@Izzy: Rather vote to close it as a duplicate of http://stackoverflow.com/q/14028959/1048572 – Bergi Aug 04 '16 at 05:41
1

@JaromandaX: Admittedly it is not trivial to know when exactly it is irrelevant (the rule isn't really "at least one non-empty string"), so beginners are definitely better off with generic advice. – Bergi Aug 04 '16 at 05:42
@Bergi - yeah I made up the "rule" :p – Jaromanda X Aug 04 '16 at 05:50

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