<a id="aa" href="link" onclick="return messageBoxShow()">link </a> function messageBoxShow(isbn)
{
if(!confirm("Are you sure to delete?"))
{
return false;//=========阻止默认行为
}
}
{
if(!confirm("Are you sure to delete?"))
{
return false;//=========阻止默认行为
}
}
if(!confirm("Are you sure to delete?")){
return false;
}
return true;
}
<a id="aa" href="link"> onclick="return messageBoxShow();">link </a> //要和声明的格式相符!除非有默认值