How Do You Extract A Url Argument From An Html Tag By Using Javascript Tokens?
Here is a string I want to extract everything after &key=f430a2c1 until & Is there a way to access this data, then extract the key? ![](img/index.php?key=f430a2c1&</div><h2 id="solution_1">Solution 1:
</h2><div class="answer-desc"><p>I am guessing as to what you want, but maybe this?</p><pre><code id="code_0" class="hljs language-javascript"><span class="hljs-keyword">var</span> images = <span class="hljs-variable language_">document</span>.<span class="hljs-title function_">getElementsByTagName</span>(<span class="hljs-string">"img"</span>),
wanted;
<span class="hljs-keyword">if</span> (images.<span class="hljs-property">length</span>) {
wanted = images[<span class="hljs-number">0</span>].<span class="hljs-property">src</span>;
<span class="hljs-keyword">if</span> (wanted) {
wanted = wanted.<span class="hljs-title function_">split</span>(<span class="hljs-string">"?"</span>);
<span class="hljs-keyword">if</span> (wanted.<span class="hljs-property">length</span> >= <span class="hljs-number">2</span> && wanted[<span class="hljs-number">1</span>].<span class="hljs-title function_">indexOf</span>(<span class="hljs-string">"&"</span>) !== -<span class="hljs-number">1</span>) {
wanted = wanted[<span class="hljs-number">1</span>].<span class="hljs-title function_">split</span>(<span class="hljs-string">"&"</span>)[<span class="hljs-number">0</span>];
}
}
}
<span class="hljs-keyword">if</span> (<span class="hljs-keyword">typeof</span> wanted !== <span class="hljs-string">"string"</span>) {
wanted = <span class="hljs-string">""</span>;
}
<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(wanted);
</code><button class="copy-btn btn btn-secondary btn-sm" onclick="copyCode(this,)
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Output
key=f430a2c1
On jsfiddle
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