I need help figuring out how to prevent a hyperlink from opening a new tab by commenting out the HTML code.
<a href="<!--http://www.google.com=-->" target="_blank" onclick="javascript:alert('Navigation Prevented')">CLICK HERE FOR GOOGLE</a>
I'm having trouble commenting out the target="_blank" attribute without causing issues with the javascript function. Any suggestions on how to achieve this desired effect?
Is it possible to add multiple inline comments in HTML code?
It is not recommended to include HTML comments within an HTML tag, as comments are considered tags themselves.
To prevent the browser from following a link, you can have the event handler return false:
<a href="http://www.google.com" target="_blank" onclick="javascript:alert('Navigation Prevented');return false;">CLICK HERE FOR GOOGLE</a>
Instead of using comments, you can achieve the desired result by including return false;. This action will prevent the browser from following the link:
<a href="http://www.google.com" target="_blank"
onclick="javascript:alert('Navigation Prevented'); return false;">CLICK HERE FOR GOOGLE</a>
Upon discovering that comments cannot be included within element attributes as per other users' statements, I became curious as to why this is the case. While it is considered bad practice, what exactly prevents it from working?
Referencing the specifications for HTML5 comments and HTML4.01 comments, I found the answer in the HTML4.01 spec:
Note that comments are markup
The opening "<!" and closing ">" symbols in a comment serve to indicate a declaration, while the "--" sequence identifies it as a comment. This distinction becomes clear when comparing comment syntax to doctype declarations and CDATA sections.
Due to the inability to include declarations within attribute values (although not explicitly stated in the spec, it is implied), comments cannot be embedded within attribute values.
Interestingly, the HTML5 comments section does not mention the 'comments are markup' note. Nonetheless, I am confident that the same rules still apply.
If any of this information is incorrect, please feel free to share any necessary corrections.
<a href="yahoo.com" target="_blank" onclick="javascript:alert('Navigation Denied');return false;">CLICK HERE FOR YAHOO</a>
The crucial aspect is the return false; within the onclick attribute. This command ensures that the link is immediately terminated upon clicking. Therefore, although the javascript will run, the link will not be activated.
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