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1 XHTML DOM JavaScript

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11 <table>... </table> table border <table border= x > x... Table Row <td>... </td><td>... </td> 1 td Table Data HTML <table border= 1 > <td>1-1</td><td>1-2</td><td>1-3</td> <td>2-1</td><td>2-2</td><td>2-3</td> </table> td th th Table Header <caption> </caption> <table> align <caption align= xxx > xxx align alignment [top, bottom, left, right] 4 top HTML <table border= 1 > ( ) <caption align= bottom > </caption> 150 1,200 <th> </th><th> ( )</th> <td> </td><td>150</td> <td> </td><td>1,200</td> </table> 9

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12 2.5.3 td colspan <td colspan= x > x align <td align= xxx > xxx [left,center,right] 3 center valign <td valign= xxx > xxx [top,middle,bottom] 3 middle HTML <table border= 1 > <caption align= top > </caption> 200 <th colspan= 2 align= center > </th> 1,200 <td> </td><td>200</td> <td> </td><td>1,200</td> </table> td rowspan <td rowspan= x > x align valign HTML <table border= 1 > <caption align= top > </caption> <th rowspan= 3 valign= middle > </th><td> </td> <td> </td> <td> </td> </table> 10

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14 src border alt sample1.jpg <img src=./sample1.jpg alt= 1 > sample2.jpg image <img src=./image/sample2.jpg alt= 2 > 2.7 web a a anchor a href target web web <a href= web URL target= xxx > </a> URL Uniform Resource Locator xxx blank self top parent <a href= target= _blank > </a> web web target= blank 12

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15 2.8 form web form web method action web get post input input type type text button radio checkbox password hidden reset submit form action form.html 2. title 3. form 4. input type textarea textarea syntax( ) <textarea rows= cols= > </textarea> 13

16 2.8.3 select select option syntax( ) <select> <option> </option> <option> </option> <option> </option> </select> form,input,textarea,select name id name web id DOM Document Object Model 2 3 DOM 3.1 DOM DOM W3C What is the Document Object Model? The Document Object Model is a platform- and language-neutral interface that will allow programs and scripts to dynamically access and update the content, structure and style of documents. The document can be further processed and the results of that processing can be incorporated back into the presented page. This is an overview of DOM-related materials here at W3C and around the web. DOM? DOM DOM W3C web DOM DOM web DOM 14

The Document Object Model is a platform- and language-neutral interface that will allow programs and scripts to dynamically access and update the content, structure and

17 3.2 DOM+JavaScript JavaScript HTML HTML syntax( ) DOM ID DOM DOM ID JavaScript getelementbyid( ID ) web <html> <head> <script> function chtext() { // var result_area = document.getelementbyid( uname ); // var inputdata = document.getelementbyid( input_name ).value; // result_area.innerhtml = inputdata; } </script> <title>id DOM </title> </head> <body> <span id= uname > </span> <hr/> <form> <input type= text value= id= input_name name= input_name /> <input type= button value= onclick= chtext(); /> </form> </body> </html> 15

innerhtml = inputdata; } </script> <title>id DOM </title> </head> <body> <span id= uname > </span> <hr/> <form> <input type= text value=

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