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js控制再次点击按钮之间的间隔时间可防止重复提交

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这篇CFSDN的博客文章js控制再次点击按钮之间的间隔时间可防止重复提交由作者收集整理,如果你对这篇文章有兴趣,记得点赞哟.

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<script type= "text/javascript" language= "javascript" >
var wait = 60;
function change() {
$o = $( "#J_refresh_checkcode" );
if (wait == 0) {
$o.removeAttr( "disabled" );
$o.html( "看不清?换一张" );
wait = 60;
} else {
$o.attr( "disabled" , true );
$o.attr( "font-color" , "gray" );
$o.html(wait + "秒后可重新获取" );
wait--;
if (wait == 59) {
var imgNode = document.getElementById( "vimg" );
imgNode.src = "../../AjaxServer/CheckCodePic.ashx?t=" + ( new Date()).valueOf(); // 这里加个时间的参数是为了防止浏览器缓存的问题
$( "#J_checkcode_tip" ).addClass( "hide" );
$( "#J_checkcode_tip>div" ).html( "" );
$( "#<%=hidPicMessage.ClientID%>" ).val( "" );
}
setTimeout( function () {
change()
},
1000)
}
}</script>

则 html如下:

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< div class = "kv_item clear" >
< span class = "kv_label fl" >验证码</ span >
< input name = "checkCode" class = "i_textshort fl" id = "J_checkcode_input" onmousedown = "ClearCodeMessage()" type = "text" maxlength = "6" autocomplete = "off" onblur = "CheckCode()" />
< img src = "../../AjaxServer/CheckCodePic.ashx" height = "28" id = "vimg" alt = "" style = "float:left;margin:-1px 0 0 3px" />
< a id = "J_refresh_checkcode" onclick = "change()" >看不清,换一张</ a >
< div class = "msg msg-inline msg-weak hide" id = "J_checkcode_tip" >
< div class = "msg-default msg-error" >
< i class = "msg-icon" ></ i >
< div class = "msg-content" >
</ div >
</ div >
</ div >
</ div >

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