![]() ![]() Or you can do something like the following: restartLoop:įor (var i=0, j=100000, x="test" i < 1000 i++, j-, x+= ". Easy if it's a simple i counter, but of course you may have more initialisation to do than just a simple counter. Use the for.of loop to iterate over elements of an iterable object.No - there is no keyword or other way to do it automatically.Īs you already mentioned you can just modify the loop condition variable(s) within your loop.While the for…of iterates over the element of an array: for.of: The JavaScript loops are used to iterate the piece of code using for, while, do while or for-in loops. A common task in JavaScript is to iterate through the contents of an array. In this example, the for…in statement iterates over the properties of the scores array: for.in: The following example illustrates the differences between for.of and for.in let scores = In fact, the for.of iterates over elements of any collection that has the property. If you know number of the iterations in advance then for loop is the best choice. This statement can only be used in contexts where await can be used, which includes inside an async function body and in a module. for loop is the most frequently used loop in JavaScript. Unlike the for.in loop, the for.of iterates a collection, rather than an object. The for await.of statement creates a loop iterating over async iterable objects as well as sync iterables. It doesn’t iterate over a collection such as Array, Map or Set. ![]() ![]() The for.in iterates over all enumerable properties of an object. ![]() The following illustrates the syntax of the for.of: for (variable of iterable) Code language: JavaScript ( javascript ) for.of vs.
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