What is the method that forbids pasting on javascript

This article introduces the knowledge about "what is the method of javascript forbidden pasting". In the actual case operation process, many people will encounter such difficulties. Next, let Xiaobian lead you to learn how to deal with these situations! I hope you can read carefully and learn something!

javascript methods to prohibit pasting: 1. bind onpaste event to element and set event handling function;2. in event handling function, set "return false;" statement, indicating that when pasting event is triggered, false is returned.

Operating environment of this tutorial: Windows 7 system, Javascript version 1.8.5, Dell G3 computer.

In javascript, pasting can be disabled using the onpaste event, which fires when the user pastes text into an element.

Note: Although all HTML elements used support the onpaste event, not all elements are actually supported, for example

Element unless contentedible is set to "true" (see more examples below).

Tip: The onpaste event is typically used for elements with type="text."

Tip: There are three ways to paste content in an element:

press Ctrl + V

Select Paste from the browser's edit menu

Right-click the mouse button and select the Paste command from the context menu.

syntax

In HTML: