[英]document.getElementbyId - getting more than one id at once?
Is it possible to hide more than one pop-up in one call? 是否可以在一次通话中隐藏多个弹出式窗口? For example,
例如,
...onclick="document.getElementById('PopUp1').style.display = 'none' "...
Can I ask it to immediately get the elements with id PopUp2, PopUp3 etc., too? 我可以要求它立即获取id为PopUp2,PopUp3等的元素吗? Is this possible with a simple syntax change or not?
这是否可以通过简单的语法更改来实现?
No you can't do that in pure JavaScript. 不,你不能用纯JavaScript做到这一点。 You'd better call a function from the onclick event and then loop through the popups in that function:
你最好从onclick事件中调用一个函数,然后遍历该函数中的弹出窗口:
function closePopups() {
for (var i = 1; i <= 3; i++) {
document.getElementById('PopUp' + i).style.display = 'none'
}
}
Then your event handler would be: 然后您的事件处理程序将是:
...onclick="closePopups()"...
This is where selector-based frameworks like jQuery are really, really useful. 这就是基于选择器的框架(如jQuery)真正非常有用的地方。 In jQuery, either of these could be used:
在jQuery中,可以使用以下任何一个:
$("#myButton").click(function() {
$("#Popup1, #Popup2, #Popup3").hide();
});
Or, if you put a common "class=popup"
on all these objects that you want hidden, you could use this: 或者,如果您在要隐藏的所有这些对象上放置一个共同的
"class=popup"
,则可以使用:
$("#myButton").click(function() {
$(".popup").hide();
});
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