JavaScript學習筆記(十) ─ 互動alert、prompt、confirm

Yanwei Liu

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May 23, 2019

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顯示訊息

alert("Hello");     //顯示hello字串

顯示訊息，要求使用者輸入內容

// result = prompt(title[, default]);let age = prompt('How old are you?', 100);

alert(`You are ${age} years old!`); // You are 100 years old!

顯示對話框，等待使用者確認或取消

// result = confirm(question);let isBoss = confirm("Are you the boss?");

alert( isBoss ); // true if OK is pressed