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> </head> <body> <p>删除 JSON 对象属性。</p> <p id="demo"></p> <script> var myObj, i, x = ""; myObj = { "name":"runoob", "alexa":10000, "sites": { "site1":"www.runoob.com", "site2":"m.runoob.com", "site3":"c.runoob.com" } } delete myObj.sites.site1; for (i in myObj.sites) { x += myObj.sites[i] + "<br>"; } document.getElementById("demo").innerHTML = x; </script> </body> </html>
运行结果