Alt attribute encoding with JavaScript

Posted by MainMa on Stack Overflow See other posts from Stack Overflow or by MainMa
Published on 2010-05-05T17:13:27Z Indexed on 2010/05/05 17:18 UTC
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JavaScript

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special-characters

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html-attributes

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encode

Hi,

Html entities must be encoded in alt attribute of an image in HTML page. So

<img id="formula" alt="A &rarr; B" src="formula.png" />

will work well.

On the other hand, the same JavaScript code will not work

document.getElementById('formula').alt = 'A &rarr; B';

and will produce A → B instead of A → B.

How to do it through JavaScript, when it is not possible to put the special (unencoded) characters in the source code?

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