How to write the jQuery document ready event

Today, the editor will share with you the relevant knowledge points about how to write jQuery document ready events. The content is detailed and the logic is clear. I believe most people still know too much about this, so share this article for your reference. I hope you can get something after reading this article. Let's take a look at it.

Document ready event

You may have noticed that all the jQuery functions in our example are in one document ready function:

This is to prevent the document from running the jQuery code before it is fully loaded (ready), that is, after the DOM load is complete before the DOM can be manipulated.

If you run the function before the document is fully loaded, the operation may fail. Here are two specific examples:

Trying to hide an element that doesn't exist.

Get the size of the image that is not fully loaded

Tip: concise writing (the same effect as the above):

The above two ways you can choose the way you like to implement the jQuery method when the document is ready.

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