Realization of right key menu and drag-and-drop function based on JavaScript _javascript skills

Source: Internet
Author: User

below to introduce you to the next JS implementation of the Right button menu function, the details are as follows:

The issues addressed in this chapter

1, the realization of the right key menu function code.

2, prevent the actual application of the default event.

<! DOCTYPE html>  

OK, the above code details are JS implementation of the Right button menu function. Next, we will introduce the following JS drag function code Analysis

The issues addressed in this chapter

1, how to implement the drag function in the Web page.

2, the difference between document.documentelement and document.body.

Document.documentElement.clientWidth refers to the width of the entire HTML document, the width of the document.body.clientWidth. The two are not the same. The console console can be tested through Console.log (document.documentelement) and Console.log (document.body).

3, Getboundingclientrect (). The difference between left and offsetleft.

Getboundingclientrect () is used to get the left, top, right, and bottom of the element. Offset gets the left and top relative to the parent. Getboundingclientrect () Gets the left, top, right, and bottom relative to the window.

4, e.clientx refers to the mouse punctuation relative to the window coordinates.

<! DOCTYPE html>  

The above is a small series to introduce the implementation of the menu and drag-and-drop function based on JavaScript, hope to help everyone, if you have any questions please give me a message, small series will promptly reply to everyone. Here also thank you very much for the cloud Habitat Community website support!

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