Read doctype with JavaScript
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22-09-2019 - |
문제
Is the doctype part of the DOM, and if so, is there a good cross-browser way to read it? I'm not trying to do anything fancy. I just want to access the doctype information from within some JavaScript code. Read-only access is fine.
해결책
document.doctype
seems to be the (read-only) property you're looking for.
다른 팁
If you're inspecting the DOCTYPE to determine if you're in quirksmode or not, this is known to be cross-browser:
document.compatMode; // returns either "BackCompat" or "CSS1Compat"
So you can do:
var quirksmode = document.compatMode == "BackCompat";
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