February 2012
Intermediate to advanced
540 pages
11h 39m
Chinese
Content preview from 深入淺出 jQuery
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100 第三章
讓事情在你的頁面上發生
$(document).ready(function(){
$("#clickMe").click(function(){
//Do stuff in here!
});
$(".guess_box").click(function(){
//Do stuff in here!
});
});
建立函式
既然已經知道如何在我們的頁面上增加及移除事件，讓我們
檢 視 一 下 另 一 個 將 幫 助 我 們運 用 jQuery 掌 控 網 站 的 重 要 功
能︰
函式
。
函式是程式碼區塊，與 你的程式碼的其餘部分分 開，你可以
在指令稿裡的任何其他地方執行它。
不論你相信與否，我們會在這整本書裡不斷使用函式。還記
得這些嗎？
jQuery 為你提供許多函式，但你也可以撰寫自己的自訂函式
（ custom function），提供 jQuery 未支援的功能。透過建立
自訂 函式，你可 以一再地使用你自己 的程式碼， 而不需要在
你的指令稿裡重複撰寫它。相反 地，你只需在想要執行它的
程式碼時透過名稱呼叫該函式即可。
看看這些函式！
這些是目前為止我
們在本書中一直呼
叫的東西。
自訂函式讓你透過名
稱來組織 jQuery 程
式碼區塊，好讓它能
夠輕易地被重利用。
目前位置 4 101 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.