《Javascript 高階程式設計(第三版)》筆記0x11 DOM操作技術
阿新 • • 發佈:2018-12-16
動態指令碼
<script type="text/javascript" src="client.js"></script>
function loadScript(url){
var script = document.createElement("script");
script.type = "text/javascript";
script.src = url;
document.body.appendChild(script);
}
loadScript("client.js");
動態樣式
<link rel="stylesheet" type="text/css" href="styles.css">
function loadStyles(url){
var link = document.createElement("link");
link.rel = "stylesheet";
link.type = "text/css";
link.href = url;
var head = document.getElementsByTagName("head")[0];
head.appendChild(link);
}
loadStyles("styles.css");
操作表格
<table border="1" width="100%"> <tbody> <tr> <td>Cell 1,1</td> <td>Cell 2,1</td> </tr> <tr> <td>Cell 1,2</td> <td>Cell 2,2</td> </tr> </tbody> </table>
//建立 table var table = document.createElement("table"); table.border = 1; table.width = "100%"; //建立 tbody var tbody = document.createElement("tbody"); table.appendChild(tbody); //建立第一行 tbody.insertRow(0); tbody.rows[0].insertCell(0); tbody.rows[0].cells[0].appendChild(document.createTextNode("Cell 1,1")); tbody.rows[0].insertCell(1); tbody.rows[0].cells[1].appendChild(document.createTextNode("Cell 2,1")); //建立第二行 tbody.insertRow(1); tbody.rows[1].insertCell(0); tbody.rows[1].cells[0].appendChild(document.createTextNode("Cell 1,2")); tbody.rows[1].insertCell(1); tbody.rows[1].cells[1].appendChild(document.createTextNode("Cell 2,2")); //將表格新增到文件主體中 document.body.appendChild(table);
使用NodeList
var divs = document.getElementsByTagName("div"),
i,
len,
div;
for (i=0, len=divs.length; i < len; i++){
div = document.createElement("div");
document.body.appendChild(div);
}