'for-in' is a type of 'Fast enumeration', which is a language feature that allows you to efficiently and safely enumerate over the contents of a collection using a concise syntax.
To return an array set with a sequence of random numbers between 1 and 500 I tried to refactor a standard for …
javascript arrays for-in-loopvar cache = []; cache[0] = "0"; cache[1] = "1"; cache[2] = "2"; cache[3] = "3"; cache[4] = "4"; cache["r"] = "r"; console.log(cache.length); for(key in cache){ if(isNaN(…
javascript jquery arrays splice for-in-loopWhat's the proper way to use for-in loop with an optional? Right now I always perform an optional binding before …
swift2 optional for-in-loopMy understanding is that for...in loops are designed to iterate over objects in Javascript. See this post and this …
javascript object for-loop for-in-loopI am trying to use for in to iterate a TObjectList: program Project1; {$APPTYPE CONSOLE} {$R *.res} uses System.SysUtils, …
delphi for-loop iterator for-in-loop listiteratorAs documented in both Array and Dictionary forEach(_:) Instance methods: Calls the given closure on each element in the sequence …
swift loops foreach sequence for-in-loopSo my IDE doesn't like when I use a for..in loop to iterate over an object keys. I get …
javascript object for-loop for-in-loop for-of-loopWhen normally using a for-in-loop, the counter (in this case number) is a constant in each iteration: for number in 1...10 { // …
variables swift constants declaration for-in-loopI faced a strange behaviour in Javascript. I get "Object doesn't support this property or method" exception for the removeAttribute …
javascript arrays for-loop for-in-loopI can't seem to find the bug that's making the code run twice, and JSFiddle isn't working for me so …
javascript function loops for-in-loop