JS confirm選擇判斷

var returned = window.confirm("請選擇一個按鈕單擊！");
if(returned){
window.alert("您單擊了“確定”按鈕！");
}else{
window.alert("您單擊了“取消”按鈕！");
} 

 

<a href="a.html" onclick="if(confirm('確定刪除?')==false)return false;">刪除</a>