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This article mainly introduces javascript how to achieve click plus one, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

Methods: 1, bind the click click event to the button element, and specify the time handling function; 2, in the event handling function, use the "+" progressive operator to calculate the plus one effect, and the syntax is "specify the element object .value +;".

The operating environment of this tutorial: windows10 system, javascript1.8.5 version, Dell G3 computer.

How to add one Click to javascript

If you want to use JavaScript to click plus one, you can use the "+" recursive operator.

Examples are as follows:

Document

Var text = document.getElementsByTagName ('input') [0]; var add = document.getElementsByTagName (' input') [1]; add.onclick = function numberadd () {text.value++;}

Output result:

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