{} vs ||

[Angel_Light]

I've came across two different ways to do a few things for instance I can do

PHP Code:

 extent = { 32, 32}; 


or

PHP Code:

 extent = "32 32"; 


aswell as

PHP Code:

 if (this.x in |0, 32|) { 


or

PHP Code:

 if (this.x in {0, 32}) { 


both methods do the same thing so my question is why are 2+ different ways to do the same thing? Wouldn't it be simpler to just have one way so people don't get confused and such, or is there some other reason that I can not see because of my ignorance? Just curious thats all.