if statement

[Topeka]

when doing an if statment. and you want one thing and another thing to work, OR, something else, and something else to work. how would you write that?

Example
if ( (This && this work) || (This && this Work) )

would you write it like so?


if ((location.href.match(/wormocodes/i) && pb_username=="wormo") || (location.href.match(/thisnthat/i) && pb_username=="topeka")) {

having the 'ifs ands' in parentheses make them work first, then the 'OR' part? like a math problem (9-8)*(1+1) ,
or would those extra set of () invalidate the if statement?

[Wormopolis]

c++ follows the hierachy that algegra does basically.

parenthesis have higher priority
then AND
then OR

so in your example, you could go without the added internal ( ).. and the ANDs would parse first, get results, then OR the results.

using ( ) is good practice however, because if you want to group a bunch of OR stuff.. and ADN it to something else:

(A || B || C || D) && E

would not be the same as

A || B || C || D && E

because it would AND D with E, THEN OR the result with A B C

there are many tricks too boolean algebra. if youget a chance, pick up a book about them. you can convert lines like

!(A || B)

into

!A && !B

where ! means NOT


and something like A && B || A && C

can become A && (B || C)

[Topeka]

ok i can see this. Its sorta like simple algrebra from last year. where you had to negate a statement like (blue and not white or green) answered (not blue or white and not green).

i probably will use ( ) for awhile, i got into a habbit of typing ( ) in my calculator when not needed, and it seems to be the same here.

Thanks for the lesson wormo.

Heres an apple for the teacher. haha



lol. Thanks alot. im understanding this one step at a time.

[Wormopolis]

glad to help!