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JavaScript

Handle external links

/* 
= Find external links on the page and add the rel=external attribute
* Version: 1.0
* URL: elbone.com.au
*/
// The regular expression
var a = new RegExp('/' + window.location.host + '/'); // url
var e = new RegExp('@'); // emails addresses
var c = new RegExp('callto:'); // phone numbers
jQuery('a').each(function() {
	if(!a.test(this.href) && !e.test(this.href) && !c.test(this.href)) {
		jQuery(this).attr('rel', 'external');;
		jQuery(this).click(function(event) {
	       event.preventDefault();
	       event.stopPropagation();
	       window.open(this.href, '_blank'); // Open in new tab/window
        });
    }
});

// Style like this in css
// a[rel="external"]:after { content: "\0020\279D\0020"; }
https://snipt.net/embed/16c00f8fe18fd5ab0e8bb86d4850a3ae/
/raw/16c00f8fe18fd5ab0e8bb86d4850a3ae/
16c00f8fe18fd5ab0e8bb86d4850a3ae
js
JavaScript
22
2019-08-23T09:45:06
True
False
False
/api/public/snipt/43065/
handle-external-links
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a> <a href="#L-16">16</a> <a href="#L-17">17</a> <a href="#L-18">18</a> <a href="#L-19">19</a> <a href="#L-20">20</a> <a href="#L-21">21</a> <a href="#L-22">22</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a><span class="cm">/* </span> </span><span id="L-2"><a name="L-2"></a><span class="cm">= Find external links on the page and add the rel=external attribute</span> </span><span id="L-3"><a name="L-3"></a><span class="cm">* Version: 1.0</span> </span><span id="L-4"><a name="L-4"></a><span class="cm">* URL: elbone.com.au</span> </span><span id="L-5"><a name="L-5"></a><span class="cm">*/</span> </span><span id="L-6"><a name="L-6"></a><span class="c1">// The regular expression</span> </span><span id="L-7"><a name="L-7"></a><span class="kd">var</span> <span class="nx">a</span> <span class="o">=</span> <span class="k">new</span> <span class="nb">RegExp</span><span class="p">(</span><span class="s1">&#39;/&#39;</span> <span class="o">+</span> <span class="nb">window</span><span class="p">.</span><span class="nx">location</span><span class="p">.</span><span class="nx">host</span> <span class="o">+</span> <span class="s1">&#39;/&#39;</span><span class="p">);</span> <span class="c1">// url</span> </span><span id="L-8"><a name="L-8"></a><span class="kd">var</span> <span class="nx">e</span> <span class="o">=</span> <span class="k">new</span> <span class="nb">RegExp</span><span class="p">(</span><span class="s1">&#39;@&#39;</span><span class="p">);</span> <span class="c1">// emails addresses</span> </span><span id="L-9"><a name="L-9"></a><span class="kd">var</span> <span class="nx">c</span> <span class="o">=</span> <span class="k">new</span> <span class="nb">RegExp</span><span class="p">(</span><span class="s1">&#39;callto:&#39;</span><span class="p">);</span> <span class="c1">// phone numbers</span> </span><span id="L-10"><a name="L-10"></a><span class="nx">jQuery</span><span class="p">(</span><span class="s1">&#39;a&#39;</span><span class="p">).</span><span class="nx">each</span><span class="p">(</span><span class="kd">function</span><span class="p">()</span> <span class="p">{</span> </span><span id="L-11"><a name="L-11"></a> <span class="k">if</span><span class="p">(</span><span class="o">!</span><span class="nx">a</span><span class="p">.</span><span class="nx">test</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">href</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="o">!</span><span class="nx">e</span><span class="p">.</span><span class="nx">test</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">href</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="o">!</span><span class="nx">c</span><span class="p">.</span><span class="nx">test</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">href</span><span class="p">))</span> <span class="p">{</span> </span><span id="L-12"><a name="L-12"></a> <span class="nx">jQuery</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">attr</span><span class="p">(</span><span class="s1">&#39;rel&#39;</span><span class="p">,</span> <span class="s1">&#39;external&#39;</span><span class="p">);;</span> </span><span id="L-13"><a name="L-13"></a> <span class="nx">jQuery</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">click</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">event</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-14"><a name="L-14"></a> <span class="nx">event</span><span class="p">.</span><span class="nx">preventDefault</span><span class="p">();</span> </span><span id="L-15"><a name="L-15"></a> <span class="nx">event</span><span class="p">.</span><span class="nx">stopPropagation</span><span class="p">();</span> </span><span id="L-16"><a name="L-16"></a> <span class="nb">window</span><span class="p">.</span><span class="nx">open</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">href</span><span class="p">,</span> <span class="s1">&#39;_blank&#39;</span><span class="p">);</span> <span class="c1">// Open in new tab/window</span> </span><span id="L-17"><a name="L-17"></a> <span class="p">});</span> </span><span id="L-18"><a name="L-18"></a> <span class="p">}</span> </span><span id="L-19"><a name="L-19"></a><span class="p">});</span> </span><span id="L-20"><a name="L-20"></a> </span><span id="L-21"><a name="L-21"></a><span class="c1">// Style like this in css</span> </span><span id="L-22"><a name="L-22"></a><span class="c1">// a[rel=&quot;external&quot;]:after { content: &quot;\0020\279D\0020&quot;; }</span> </span></pre></div> </td></tr></table>
css, email, external, jQuery, links, regex