Shulou(Shulou.com)06/01 Report--

This article mainly introduces the JavaScript median for the number of example analysis, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

Value is a number

Have you ever noticed that event.target.value always returns a value of type string even if the type of input box is numeric?

See the example below. We have a simple text box of numeric type. This means that it accepts only numbers as input and has an event handler to handle keystroke events.

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