JavaScript DOM操作之名称选择器
<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>三十课 - JavaScript DOM操作之名称选择器</title> <script src="http://res.30ke.cn/res/js/console.js"></script> </head> <body> <form> <input type="checkbox" name="sports" value="soccer" checked="checked">足球<br /> <input type="checkbox" name="sports" value="basketball" checked="checked">篮球<br /> <input type="checkbox" name="sports" value="tennis">网球<br /> </form> <div id="main"></div> <script> var sports = document.getElementsByName("sports"); console.log(sports.length); </script> </body> </html>
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三十课
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