Code jquery target-blank open new window tab

<script type="text/javascript">
$(document).ready(function(){
$("a").each(function() {
var a = new RegExp('/' + window.location.host + '/');
if(a.test(this.href)) {
$(this).click(function(event) {
event.preventDefault();
event.stopPropagation();
window.open(this.href, '_blank');
});
}
});
});
</script>