Use js to randomly return an element of the array_javascript skills

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This It's a wonderful method. Suitable for random rotation display of title text.

There are two different ways to do this:

1. Randomly pick a single one, 2. Let the entire array be randomly sorted

Note: The [ ] symbol defines an array in JavaScript, and { } defines an object

Randomly obtain one of the items in the array:

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Randomly sort the entire array Array:

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There is a very convenient function shuffle() in PHP for shuffling arrays. This function is used in many situations, but JavaScript arrays do not have this method. It doesn’t matter if it is not available. You can extend one. Do it yourself and you will have enough food and clothing. .

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