倒计时优化点滴

new Timer etaivar aTimer = Ju.app.timer.create( { timeEnd: timeEnd, timeCurrent: timeCurrent, container: theTimer, style: simple, callback: function(handler){ console.log(handler); } });

‣‣‣‣‣‣

WTF? ....

1. • ; •

setInterval : 5mins / hoursetTimeout : 10min / hour 10+ / day

2. •

3. • •

-before:

-a. innerHTML

-b. replaceHTML When innerHTML isn’t Fast Enough

-before innerHTML replaceHTMLff3.6 2600 ff3.6 600 ff3.6 3000ie8 6100 ie8 900 ie8 4200ie6 6300 ie6 1200 ie6 5500

-<p class="dsec">.6</p>

-dsec.gif

- “ ”var aTimer = Ju.app.timer.create( { timeEnd: timeEnd, timeCurrent: timeCurrent, timeLeft: 0, container: theTimer, callback: function(handler){ alert(‘time’s up!’); } });Ju.app.timer.remove(aTimer);

- “ ”

/ Tips

/ Tips - 1. vs timer• timer•• setInterval?

/ Tips - 1. vs timer“ ” “ ”

/ Tips - 1. vs timer

/ Tips - 1. vs timer =>+

/ Tips- 2. setTimeout vs setInterval “ bug”

/ Tips- 2. setTimeout vs setInterval setTimeout or setInterval?

/ Tips 2. setTimeout vs setInterval How JavaScript Timers Work

/ Tips - 2. setTimeout vs setIntervalSetTimeout

Google I/O Conference: HTML5 Countdown Finale

checker “ ”

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倒计时优化点滴

by j5726 on May 29, 2011

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倒计时优化点滴 — Presentation Transcript