About Lesson
Modify Array:
JavaScript gives you several ways to modify arrays. The first way is to give an existing array element a new value. This is as easy as assigning the value.
Example:
var x = [“Ram”, 17, “Male”, 12];
var a[1] = 19;
Delete Array:
This method deletes the element at the index specified, This means that at the place of the deleted index, the element is left undefined or null.
Example:
var x = [“Ram”, 17, “Male”, 12];
delete a[1];
Exercise Files
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