- 时间：2021-04-15 21:32 编辑： 来源： 阅读：
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摘要：JS input 数字验证代码
/*
**@控制控件只能输入数字,含-(负号).(小数点)
**@Inline HTML: <ELEMENT ... onkeypress="javascript:onlyNumber()" style="ime-mode:disabled"> For Input
**@Event property: object.attachEvent("onkeypress",onlyNumber);object.style.imeMode = "disabled";
**@Author:wangwq@atools
*/
function onlyNumber(){
if(!(((window.event.keyCode >= 48) && (window.event.keyCode <= 57))
|| (window.event.keyCode == 13) || (window.event.keyCode == 46)
|| (window.event.keyCode == 45))){
window.event.keyCode = 0 ;
}
}
// 本函数用于限制文本输入框中只能输入数字"0"到"9"
//@Inline HTML: <ELEMENT ... onkeypress="javascript:JHshNumberText()" style="ime-mode:disabled"> For Input
//@Event property: object.attachEvent("onkeypress",JHshNumberText);object.style.imeMode = "disabled";
function JHshNumberText()
{
if ( !(((window.event.keyCode >= 48) && (window.event.keyCode <= 57)) || (window.event.keyCode == 13)))
{
window.event.keyCode = 0 ;
}
}
<input name="aa" type="text" onkeypress="javascript:JHshNumberText()" style="ime-mode:disabled" ondragenter="javascript:return false;" onpaste="return false">
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