标签：back meta char text set style doctype type pre
<!doctype html> <html> <head> <meta charset="utf-8"> <title></title> <style> </style> </head> <body> <script type="text/javascript"> //this:1.当前发生事件的对象 2.当前的方法属于谁 var arr = [1,2,3,4]; arr.a = 12; arr.show = function(){ alert(this.a);// 弹出值为12,this就是arr } arr.show(); oDiv.onclick = function(){ alert(this);//this代表oDiv } </script> </body> </html>
标签：back meta char text set style doctype type pre
原文地址：http://www.cnblogs.com/pjw2017/p/6322798.html
