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Help with JavaScript problem.
tincat
Posts: 935 Forumite
in Techie Stuff
Hi all, I'm really stuck on a problem as I can't seem to get it to sink in after re reading the textbook and stuff. Could anyone tell me if I'm on the right track with my answers (in blue).
Two variables have been set as follows:
var firstVar = 2;
var secondVar = 4;
The following lines of JS are executed in sequence, and you should write down value of firstVar and secondVar after each line is executed:
a)firstVar = secondVar
b)secondVar = firstVar
c)firstVar = firstVar + secondVar / 2
As far as I can understand, it doesn't matter what the declared values are, as you can specify them as something else and from that point on, the variable takes on the new specified value
I have no idea whether I'm correct so if anyone can explain it to me I'd be really grateful. Thanks
Two variables have been set as follows:
var firstVar = 2;
var secondVar = 4;
The following lines of JS are executed in sequence, and you should write down value of firstVar and secondVar after each line is executed:
a)firstVar = secondVar
b)secondVar = firstVar
c)firstVar = firstVar + secondVar / 2
(a) firstVar = secondVar, so firstVar = 4.
(b) secondVar = firstVar, so firstVar = 4.
(c) firstVar = firstVar + secondVar/2.
=firstVar = 4 + (4/2)
=firstVar = 6
As far as I can understand, it doesn't matter what the declared values are, as you can specify them as something else and from that point on, the variable takes on the new specified value
I have no idea whether I'm correct so if anyone can explain it to me I'd be really grateful. Thanks
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