【display】
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
window.onload=function(){
var aTag = document.createElement('a');
document.body.appendChild(aTag);
var d = window.getComputedStyle(aTag).display;
console.log(d)
}
</script>
</head>
<body>
</body>
</html>
