Basic Javascript Modify Array Data T5rRrTWJBi8

Web Reference: Unlike strings, the entries of arrays are mutable and can be changed freely, even if the array was declared with const. Example. ourArray now has the value [15, 40, 30]. Note: There shouldn't be any spaces between the array name and the square brackets, like array [0]. However, what if you want to loop through the cars and find a specific one? And what if you had not 3 cars, but 300? The solution is an array! An array can hold many values under a single name, and you can access the values by referring to an index number. Jul 23, 2025 · Arrays in JavaScript are mutable, meaning you can modify their elements after they are created. We will explore all the approaches that can be used to access and change the value of a specific index.

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