javascript-limit text boxes to enter only numbers

Source: Internet
Author: User

Using the Oninput () event

Oninput is a standard event for HTML5, which is useful for detecting textarea, Input:text, Input:password, and input:search elements that occur through the user interface and are triggered immediately after the content is modified, unlike The onchange event needs to lose focus before it is triggered. The compatibility of Oninput events in mainstream browsers is as follows:

<! DOCTYPE html><Html><Head><Metahttp-equiv="Content-type"content= "text/html; Charset=utf-8 "> <title>runjs< /title> </head> <body> < Input type= "text" oninput =" keypress (this) "/> </body> </body></ html>//scriptsfunction keypress (_this) {_this.value = _this.value.replace (/[^0-9]/g, ') ;} 

javascript-Limit text boxes to enter numbers only

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