.previousSibling and whitespace

• Item 1 (previous sibling)
• Item 2 (referenced)

Click

This gives an '[object Text]', because of the whitespace between </li> and <li>.

• Item 1 (previous sibling)
• Item 2 (referenced)

Click

Here there isn't any whitespace, so you get the HTMLLIElement. There is no whitespace in the source file.

Internet Explorer

IE gives the LI in both examples.

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