jquery 實戰經驗講座
DESCRIPTION
哇寶內部教育訓練用教材TRANSCRIPT
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jQuery 實戰經驗講座
更進一步瞭解 jQuery
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你所知道的 jQuery
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jQuery 的特色?
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你用 jQuery 做過什麼?
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你沒用過,但你知道的功能有哪些?
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習題說明
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Unobtrusive JavaScript
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Chaining
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Anonymous Function
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this
•在函式裡代表?•在 jQuery Event Handler 裡代表?
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closure
簡單來說,就是用到了外部function 所定義的變數的匿名函式
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AJAX
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$(selector).load()&
$.get()&
$.post()
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$.ajax()&
$.ajaxSetup()
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JSONvs.
XMLvs.
HTMLvs.
Text
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API Reference
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官方手冊(http://remysharp.com/jquery-api/)
&jQuery API
(http://remysharp.com/jquery-api/)
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易搞混的 Selector 與method
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ancestor descendantvs.
parent > childvs.
prev + nextvs.
prev ~ siblings
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:not(selector)=
.not(selector)
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:eq(index)=
.eq(index)
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:has(selector)vs.
:contains(text)
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:parentvs.
.parent(selector)vs.
.parents(selector)
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$(selector)[index] =
$(selector).get(index)
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:enabled, :disabled&
:checked, :selected(only form element)
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:hidden&
:visible(1.3.2: offsetWidth or offsetHeight = 0 ?)
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.after()vs.
.insertAfter()
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.before()vs.
.insertBefore()
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.append()vs.
.appendTo()
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.prepend()vs.
.prependTo()
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1.3 新特色(http://blog.darkthread.net/blogs/darkthreadtw/archive/2009/01/15/jquery-1-3.aspx)
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Sizzle Selector 引擎(http://sizzlejs.com/)
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.live()
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[@attr=xxx]to
[attr=xxx]
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.closest(selector)
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.isArray()
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Plugins
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blockUI(http://www.malsup.com/jquery/block/)
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Form(http://www.malsup.com/jquery/form/)
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checkboxes(http://www.texotela.co.uk/code/jquery/checkboxes/)
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selectboxes(http://www.texotela.co.uk/code/jquery/select/)
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mousewheel(http://brandonaaron.net/code)
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UI(http://ui.jquery.com)
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特別的技巧
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如何做出可開合的頁首目錄?(http://codeigniter.com/user_guide/)
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如何做出移過表格列時,出現編輯選單的效果?
(WordPress 後台編輯文章列表)
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如何產生動態下拉選單?(http://www.ocar.com.tw/)
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如何將頁面以 Ajax 方式載入到 blockUI ,並加入拖曳
效果?(http://demo.wabow.com/ecmail/)
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還缺什麼?
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你的想像力!
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課後練習
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請試著在 AJAX 要求啟動時,透過 blockUI 把頁面遮閉起來;然後當 AJAX 要求結束時,再解除blockUI 。
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在「如何產生動態下拉選單?」範例中有個隱藏欄位「 fullIdPath 」,指得是頁面載入時,下拉選單依次會選到的項目。請試著完成這部份的功能。
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請試著結合「如何做出移過表格列時,出現編輯選單的效果?」及「如何將頁面以Ajax 方式載入到blockUI,並加入拖曳效果?」兩個範例的效果,也就是當點選「修改」後,會出現修改的彈出視窗。
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下課