Home Web Front-end JS Tutorial JS judgment code before executing deletion

JS judgment code before executing deletion

Dec 17, 2016 pm 02:09 PM

1,

<script> 
function del(){ 
if(confirm("确认删除吗")){ 
alert("yes"); 
} 
else{ 
alert("no") 
return; 
} 
} 
</script> 
<html> 
<input type="button" value="del" onclick="del();"> 

</html>
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2,

<a href=&#39;/console/oneYear.action?id=<s:property value="id" />&#39;>编辑</a> | <a href=&#39;javascript:delMonthMessage("<s:property value="twoid" />")&#39; onclick="return confirm(&#39;确定将此记录删除?&#39;)">删除</a>
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3,

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>js确认删除对话框-懒人图库</title> 
</head> 

<body> 
<p> 
<script language="javascript"> 
function delcfm() { 
if (!confirm("确认要删除?")) { 
window.event.returnValue = false; 
} 
} 
</script> 
<a href="http://www.lanrentuku.com/" onClick="delcfm()">删除</a></p> 
<p>代码说明:单击删除的超链接后将执行delcfm()函数,在对话框中,如果点击“确定”,函数将返回true值,就将页面转到<a>标签中的链接页面执行删除的页面;如果点击“取消”,函数将返回false值,<a>标签将不转到执行删除的页面。</p> 
<p>查找更多代码,请访问:<a href="http://www.lanrentuku.com" target="_blank">懒人图库</a></p> 
</body> 
</html>
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