Is it safe to do htmlElement.someProp = 'whatever including objects and other elements' or could it lead to unexpected behaviour in different browsers?
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ituy
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1no, it's not safe, there's a voodoo curse on everyone who does that – Mister Jojo Jul 02 '19 at 17:26
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You have to use data-attribute for such situationsTest– Janiis Jul 02 '19 at 17:32
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how about the specification as an answer? – ituy Jul 02 '19 at 17:39