javascript 如何通过_blank 在新窗口和后台打开链接？
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How to open link in new windows by _blank and in background?
提问by Eric Yin
for a normal link <a href="xxx" target="_blank">, the link will open at a new window(or tab).
对于普通链接<a href="xxx" target="_blank">，链接将在新窗口（或选项卡）中打开。
I like to know if there's a way to open it in background, and keep current window still active.
我想知道是否有办法在后台打开它，并使当前窗口保持活动状态。
回答by Dagg Nabbit
After you openthe new window (we'll call it newWindow), do this:
在您open打开新窗口（我们称之为newWindow）之后，执行以下操作：
newWindow.blur();
window.focus();
This is usually called a "pop-under." Opening the window won't usually work unless it's initiated by a user action like a mouse click, due to pop-up blockers built into most web browsers.
这通常称为“pop-under”。由于大多数 Web 浏览器中内置了弹出窗口阻止程序，因此打开窗口通常不会起作用，除非它是由用户操作（例如单击鼠标）启动的。
Just remember to get a handle to your new window when you open it.
只要记住在打开新窗口时获得它的句柄。
var newWindow = window.open(...);
Also, if your pop-under is loading content from another domain, you'll need to do the blur/focusthing beforeyou send the window to its destination, otherwise you'll run into the same-origin problem.
另外，如果您的弹出下是从另一个域加载的内容，你需要做的blur/focus事情之前，你发送的窗口，它的目的地，否则你会碰到同样的原产地问题。
HTML:
HTML：
<a href="xxx" target="_blank" onclick="return popUnder(this);">
JS:
JS：
function popUnder(node) {
var newWindow = window.open("about:blank", node.target, "width=500,height=500");
newWindow.blur();
window.focus();
newWindow.location.href = node.href;
return false;
}
回答by Andre Loker
This is typically a browser preference. But if you can somehow get a hold to the other window with javascript (maybe by hooking up the onclick event and open the link with window.open you could do the typical pop-under trick:
这通常是浏览器首选项。但是，如果您可以通过 javascript 以某种方式控制另一个窗口（也许通过连接 onclick 事件并使用 window.open 打开链接，您可以执行典型的 pop-under 技巧：
otherWindow.blur();
window.focus();
