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This article will explain in detail how to use javascript to achieve calculator function, the editor thinks it is very practical, so share it for you to do a reference, I hope you can get something after reading this article.

The method of realizing calculator function with javascript: [function init () {var num=document.getElementById ("num"); num.value=0; var btn_num1; var fh;.].

This article operating environment: windows10 system, javascript 1.8.5, thinkpad T480 computer.

You must have written about calculator functions in the process of learning programming languages, such as using php, java, python and other languages. So have you ever used javascript to implement calculator function? In fact, the principle is the same, let's take a look at it!

HTML Code:

Js calculator

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