<!DOCTYPE html>
<html lang="en-US">
<body>
<button onclick="myOpen()">Open Homepage</button>
<button onclick="myOpenSelf()">Open Homepage (_self)</button>
<button onclick="myOpenOption()">Open Homepage (options)</button>
<script>
function myOpen(){
//'_blank' is the default behavior
window.open("https://wikimass.com","_blank");
}
function myOpenSelf(){
window.open("https://wikimass.com","_self");
}
function myOpenOption(){
window.open("https://wikimass.com","_blank","toolbar=no,scrollbars=yes,resizable=yes,top=50,left=50,width=400,height=500");
}
</script> </body>
</html>