Revision: 4365
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at December 2, 2007 06:19 by 1man
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function optionalArguments(a, /*optional*/b){
if(!b){b = []};//If b isn't set, create an empty array
//OR shorthand for this
b = b || [];
/*
* The OR operator looks to see if b is true, if it is it skips
* creating the Array. If b is false it creates the array. Not
* very readable.
*/
}
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Simple way of allowing functions to take optional arguments. Always place the optional arguments last, so you don't have to explicitly pass an argument as "undefined".
Initial Title
Optional Function Arguments
Initial Tags
javascript, function
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JavaScript