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1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <script> 5 function myFunction() 6 { 7 var oTab = document.getElementsByTagName("input");//擷取所有input元素 8 for(var i=0 ; i<oTab.length;i++) 9 {10 if(oTab[i].checked==true) oTab[i].checked = false;11 else oTab[i].checked = true;12 }13 };14 </script>15 </head>16 <body>17 <div >18 <button id="div1" onclick="myFunction()">反選</button>19 <table>20 <tr><td><input type="checkbox">第一個</td></td></tr>21 <tr><td><input type="checkbox">第二個</td></td></tr>22 <tr><td><input type="checkbox">第三個</td></td></tr>23 <tr><td><input type="checkbox">第四個</td></td></tr>24 <tr><td><input type="checkbox">第五個</td></td></tr>25 <tr><td><input type="checkbox">第六個</td></td></tr>26 </table>27 </div>28 29 </body>30 </html>View Code
JavaScript執行個體-----反選
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