Javascript自动改变字符串

Question

您好，我是 JavaScript 新手，我正在尝试弄清楚如何在指定的时间后附加字符串。

After 3 secs append string (How)
After 3 secs append string (are)
After 3 secs append string (you)
After 3 secs append string (?)

谢谢:D

Answer 1

使用setTimeout .

var text = 'How are you ?'.split(' '),
    delay = 3000;

function generateCallback(text) {
    return function () {
        alert(text);
    };
}

for (var i=0; i<text.length; i++) {
    setTimeout(generateCallback(text[i]), delay*(i+1));
}

http://jsfiddle.net/mattball/dYBUs/