How do I make a div link open in a new tab Javascript onClick="[removed]

Question

I created a range of social media buttons which when the mouse hovers it switches to a different image (giving it a highlight effect). The images work as I want them to, how

Answer 1

onclick="window.open('http://google.pl', '_blank');"

Answer 2

<div id="facebook" style="cursor:pointer;" onClick="window.open('http://www.google.com','_newtab');">Test</div>