Tips & Tricks
How to: Open external links in a new window
Over the weekend, I attended WordCamp Denver, and I was asked by John Hawkins how to force links to open in a new tab with out editing the source code. So, today lets learn a simple jQuery trick to open all external links in your site in a new tab or window. We are going to make sure you have jQuery active on your site, you can do this easily in WordPress, since it’s bundled with the latest installations. Use this code in your header: <?php wp_enqueue_script('jquery'); ?> then, below the wp_head add the following:
<script type="text/javacript">
var $j = jQuery.noConflict();
$j(document).ready(function() {
//external attribute
$j("a:not([@href*=http://YOURSITE.com/])").not("[href^=#]")
.addClass("external")
.attr({ target: "_blank" });
}
);
</script>
That’s it, just make sure you change the http://YOURSITE.com to your website.
Update
If you like you can remove the var $j = and replace all $j with simply just $
Tips & Tricks
Remove spaces when echoing the_title
Ever wanted to print or echo the WordPress title attribute without spaces?
This little trick can be useful for calling custom functions and printing the title with out spaces for W3C compatibility. I used this trick in a new theme called Galleria, which will be out for public download in the coming days.
Using this comes in handy for a delicious text link:
<?php $title = get_the_title(); ?>
<a href="http://del.icio.us/post?url=<?php echo $title; ?>&<?php echo str_replace(" ", "%20", $title); ?>">
Bookmark This (<?php echo $title; ?>)</a>
What I am doing is calling $title = get_the_title(); and using str_replace(" ", "%20", $title); to replace empty spaces with a %20, which is used in URL encoding empty spaces.
Alternatively you can use a dash or underscore.
Thanks to Jason Boyle for his adaption.
Tips & Tricks
Display the_excerpt only if there is text
Have you ever wanted to display the excerpt only if you write one? A simple couple lines of code can display the_excerpt any where you like.
In my new theme, I am using this coded trick to display the excerpt on a single post only if I’ve got text inside. Usually if you use the_excerpt and you don’t have one, it will fake one for you.
This is not something that I wanted to do on the single post page. So I used the following code to check if the excerpt existed.
if ( !empty( $post->post_excerpt ) ) :
Once this action is taken into account, you can factor in what code you want to out put if the post_excerpt isn’t empty.
if ( !empty( $post->post_excerpt ) ) : the_excerpt(); else : false; endif;
The above code checks if there is an excerpt and print’s it to the screen. If there isn’t an except, it doesn’t do anything.
This is a simple one.
/**
* Your Blog title
*
*/
function my_blog_title() {
$blogname = get_bloginfo('name');
return '<span class="blog-title">' . $blogname . '</span>';
}
add_shortcode('blog-title', 'my_blog_title');
Just add this to your functions.php file and then add [blog-title] in any post or page and it will return your Blog Title. :)
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Shawn Parker
March 1, 2009 at 5:53 pm
Good tip, thanks for picking this up after my blunder. A couple more things to note:
1. Instead of worrying about jQuery’s noConflict you can simply use jQuery(…) instead of $ – then everything you do is safe even if jQuery doesn’t get started in no conflict mode.
2. jQuery(document).ready(function() { can be replaced with just jQuery(function() {
3. To be xhtml future proof you can’t use target=”_blank” any more. Something like this would be more appropriate:
jQuery(function() {
jQuery(“a:not([@href*=http://YOURSITE.com/])”).not(“[href^=#]”)
.addClass(“external”)
.click(function(){
window.open(this.href); // pop a new window
return false; // return false to keep the actual link click from actuating
})
});
Frosty
March 1, 2009 at 6:38 pm
Thanks!
Pingback: Open Links in New Windows or Tabs Without Target=”Blank”
Elena Coen
May 8, 2009 at 5:24 am
Hi there,
Is there a hack for this that would allow links from a folder to open automatically in a new window? I have an RSS feed from another install I did in a folder. I want anything from there to open in a new window but because it starts with the same URL, such code recognizes it as a match and keeps it opening in the same window. So http://www.mysite.com/anything else would open in same window, any external URLS plus http://www.mysite.com/jobs I want to open in a new window.
Thank you, Elena
Austin
May 8, 2009 at 11:44 am
Hmmm.. This may be possible with some anchor not attributes in jQuery. Let me browse around and see what I can come up with..
Udegbunam Chukwudi
September 21, 2009 at 1:54 am
Wonderful tutorial. Would definitely come in handy for some folks. For me, when I link to old posts on my blog from a new post, I like them opening in a new window so the reader doesn’t get lost trying to find his/her way back to the start.
BTW is there a way of making this code force all links to open in a new window?
.-= Udegbunam Chukwudi´s last blog ..Top 10 Ways Nigerians Make Money Online =-.
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