专注前端素材!
源代码:
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>素材8网教程(study.sucai8.cn)</title> <meta http-equiv="content-type" content="text/html;charset=utf-8"> <script> function displayResult(){ var x=document.getElementsByTagName("meta")[0].httpEquiv; alert(x); } </script> </head> <body> <button type="button" onclick="displayResult()">显示 HTTP-Equiv</button> </body> </html>
运行结果