How to achieve button disable and enable effect in javascript

This article mainly introduces javascript how to achieve button disable and enable effect of the relevant knowledge, the content is detailed and easy to understand, the operation is simple and fast, has a certain reference value, I believe that after reading this javascript how to achieve button disable and enable effect article will have a harvest, let's take a look at it.

The specific code is as follows:

Button enables and disables function btn1 () {document.getElementById ("btn1") .disabled=true; document.getElementById ("btn1") [xss_clean] = "disable button 1"; document.getElementById ("btn2") .disabled=false; document.getElementById ("btn2") [xss_clean] = "enable button 2";} / / button 2function btn2 () {document.getElementById ("btn1") .disabled=false; document.getElementById ("btn1") [xss_clean] = "enable button 1" Document.getElementById ("btn2") .disabled=true; document.getElementById ("btn2") [xss_clean] = "disable Button 2";} Button 2

Effect:

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