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JAVASCRIPT網頁應用程式設計
book

JAVASCRIPT網頁應用程式設計

by Alex MacCaw
January 2013
Intermediate to advanced
332 pages
5h 23m
Chinese
GoTop Information, Inc.
Content preview from JAVASCRIPT網頁應用程式設計
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第五章
動態產生檢視器內容
如果想建立檢視器內容,可以用 JavaScript 程式一步一腳印的建立:先利用
document.
createElement()
建立 DOM 元件、設定元件內容,再把元件加進網頁裡。如果想要更
新檢視器內容,只要先清空檢視器內容,再重複一遍上述步驟即可:
var views = document.getElementById("views");
views.innerHTML = ""; // 清空元件
var container = document.createElement("div");
container.id = "user";
var name = document.createElement("span");
name.innerHTML = data.name;
container.appendChild(name);
views.appendChild(container);
如果想讓程式變得更精簡,可以利用 jQuery API
$("#views").empty();
var container = $("<div />").attr({id: "user"});
var name = $("<span />").text(data.name);
$("#views").append(container.append(name));
不過建議只有在檢視器內容非常少時,才用前述這種做法。因為把檢視器相關程式碼寫
進控制器或狀態物件裡,會破壞程式的 ...
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Publisher Resources

ISBN: 9789862766811