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input高级限制级用法
input高级限制级用法
1.取消按钮按下时的虚线框
在input里添加属性值 hideFocus 或者 HideFocus=true
2.只读文本框内容
在input里添加属性值 readonly
3.防止退后清空的TEXT文档(可把style内容做做为类引用)
<
INPUT
style
=behavior:url(#default#savehistory);
type
=text
id
=oPersistInput
>
4.ENTER键可以让光标移到下一个输入框
<
input
onkeydown
="if(event.keyCode==13)event.keyCode=9"
>
5.只能为中文(有闪动)
<
input
onkeyup
="value=value.replace(/[ -~]/g,'')"
onkeydown
="if(event.keyCode==13)event.keyCode=9"
>
6.只能为数字(有闪动)
<
input
onkeyup
="value=value.replace(/[^\d]/g,'') "
onbeforepaste
="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))"
>
7.只能为数字(无闪动)
<
input
style
="ime-mode:disabled"
onkeydown
="if(event.keyCode==13)event.keyCode=9"
onKeyPress
="if ((event.keyCode<48 || event.keyCode>57)) event.returnValue=false"
>
8.只能输入英文和数字(有闪动)
<
input
onkeyup
="value=value.replace(/[\W]/g,'')"
onbeforepaste
="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))"
>
9.屏蔽输入法
<
input
type
="text"
name
="url"
style
="ime-mode:disabled"
onkeydown
="if(event.keyCode==13)event.keyCode=9"
>
10. 只能输入 数字,小数点,减号(-) 字符(无闪动)
<
input
onKeyPress
="if (event.keyCode!=46 && event.keyCode!=45 && (event.keyCode<48 || event.keyCode>57)) event.returnValue=false"
>
11. 只能输入两位小数,三位小数(有闪动)
<
input
maxlength
=9
onkeyup
="if(value.match(/^\d{3}$/))value=value.replace(value,parseInt(value/10)) ;value=value.replace(/\.\d*\./g,'.')"
onKeyPress
="if((event.keyCode<48 || event.keyCode>57) && event.keyCode!=46 && event.keyCode!=45 || value.match(/^\d{3}$/) || /\.\d{3}$/.test(value)) {event.returnValue=false}"
id
=text_kfxe
name
=text_kfxe
>
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原文地址:https://www.cnblogs.com/netserver/p/1587826.html
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