Splitting the <script> Tag Within document.write() Calls: Why?</h2> <p><strong>Introduction:</strong></p> <p>The practice of splitting HTML tags into multiple parts within document.write() has baffled many developers. In particular, the splitting of the <script> tag has raised questions regarding its purpose. This article delves into the reasons behind this technique, shedding light on the challenges and considerations involved.</p> <p><strong>Challenges with </script> Tag Placement:
The primary reason for splitting tags is due to an interesting behavior in SGML, the markup language that underlies HTML. According to SGML, script blocks are terminated by any "end-tag open" (ETAGO) sequence, including
If the tag were not split, it would prematurely end the enclosing <script></script> block. To prevent this, developers must split the tag and place the
Browser Compatibility and XHTML Considerations:
Splitting the tag also addresses browser compatibility issues. While browsers generally parse HTML as CDATA, treating any tag.
In XHTML, where script blocks are not treated specially, all unescaped < characters must be escaped using &. However, this can lead to confusion when browsers parse XHTML as HTML. Splitting the tag ensures compatibility with both types of parsers.
Alternative Approaches:
While splitting tags within document.write() is a common practice, it is not the only option. A more elegant solution is to encode the entire
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