问题

I have external links in top menu of my website. I want to open these links in new tab. I could achieve it using "target=_blank" in HTML. Is there a similar CSS property or anything else?

回答1:

Unfortunately, no. In 2013, there is no way to do it with pure CSS.

Update: thanks to showdev for linking to the obsolete spec of CSS3 Hyperlinks, and yes, no browser has implemented it. So the answer still stands valid.

回答2:

As c69 mentioned there is no way to do it with pure CSS.

but you can use HTML instead:

use

<head>
    <base target="_blank">
</head>

in your HTML <head> tag for making all of page links which not include target attribute to be opened in a new blank window by default. otherwise you can set target attribute for each link like this:

    <a href="/yourlink.html" target="_blank">test-link</a>

and it will override

<head>
    <base target="_blank">
</head>

tag if it was defined previously.

回答3:

There are a few ways CSS can 'target' navigation. This will style internal and external links using attribute styling, which could help signal visitors to what your links will do.

a[href="#"] { color: forestgreen; font-weight: normal; }
a[href="http"] { color: dodgerblue; font-weight: normal; }

You can also target the traditional inline HTML 'target=_blank'.

a[target=_blank] { font-weight: bold; }

Also :target selector to style navigation block and element targets.

nav { display: none; }
nav:target { display: block; }

CSS :target pseudo-class selector is supported - caniuse, w3schools, MDN.

a[href="http"] { target: new; target-name: new; target-new: tab; }

CSS/CSS3 'target-new' property etc, not supported by any major browsers, 2017 August, though it is part of the W3 spec since 2004 February.

W3Schools 'modal' construction, uses ':target' pseudo-class that could contain WP navigation. You can also add HTML rel="noreferrer and noopener beside target="_blank" to improve 'new tab' performance. CSS will not open links in tabs for now, but this page explains how to do that with jQuery (compatibility may depend for WP coders). MDN has a good review at Using the :target pseudo-class in selectors

回答4:

Another way to use target="_blank" is:

onclick="this.target='_blank'"

Example:

<a href="http://www.url.com" onclick="this.target='_blank'">Your Text<a>

回答5:

This is actually javascript but related/relevant because .querySelectorAll targets by CSS syntax:

var i_will_target_self = document.querySelectorAll("ul.menu li a#example")

this example uses css to target links in a menu with id = "example"

that creates a variable which is a collection of the elements we want to change, but we still have actually change them by setting the new target ("_blank"):

for (var i = 0; i < 5; i++) {
i_will_target_self[i].target = "_blank";
}

That code assumes that there are 5 or less elements. That can be changed easily by changing the phrase "i < 5."

read more here: http://xahlee.info/js/js_get_elements.html

回答6:

While waiting for the adoption of CSS3 targeting…

While waiting for the adoption of CSS3 targeting by the major browsers, one could run the following sed command once the (X)HTML has been created:

sed -i 's|href="http|target="_blank" href="http|g' index.html

It will add target="_blank" to all external hyperlinks. Variations are also possible.

EDIT

I use this at the end of the makefile which generates every web page on my site.

来源：https://stackoverflow.com/questions/17281486/use-target-blank-in-css

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Use target=“_blank” in css

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