SyntaxFix

[javascript] Uncaught TypeError: Cannot read property 'ownerDocument' of undefined

In my case, this error happened because my HTML had a trailing linebreak.

var myHtml = '<p>\
    This should work.\
    But does not.\
</p>\
';

jQuery('.something').append(myHtml); // this causes the error

To avoid the error, you just need to trim the HTML.

jQuery('.something').append(jQuery.trim(myHtml)); // this works

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