![]() Prior to ECMAScript 6, you probably would have used a for loop to iterate through all the items in the array and perform operations on each item. Depending on the task at hand, you may be interested in a boolean value for confirmation, an index for the position of the value in the array, or a separate array containing all the search results. A common task will be searching the array to find if it contains a value (or values) that satisfies certain search criteria. ![]() In JavaScript, you will often be working with data that is stored in Arrays.
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