how to open a new tab in chrome javascript code example

Example 1: javacript open url in new tab

window.open(url,'_blank');
window.open(url);

Example 2: javascript open new window

<a onclick="window.open(document.URL, '_blank', 'location=yes,height=570,width=520,scrollbars=yes,status=yes');">
Open New Window
</a>