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How to check in javascript, if the elements support the HTML5 lang attribute?

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  • use this framworks that check html5 : modernizr.com Commented Mar 20, 2012 at 15:18
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    lang attribute is part of generic attributes even on html4: w3.org/TR/html4/sgml/dtd.html#coreattrs - why do you need to check its support via js? Commented Mar 20, 2012 at 15:19

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You cannot. HTML(5) does not have any built-in validation capabilities. If HTML were an instance of a schema language then you could easily validate against the schema.

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then I make it with try catch

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