程序员劝退师

1 js中使用typeof 能得到的哪些类型 typeof undefined //undefined typeof 'abc' //String typeof 123 //number typeof true //boolean typeof {} //object typeod [] //object typeof null //object type...

function ResizeImages() { var myimg,oldwidth,oldheight; var maxwidth=800; var maxheight=1000 var imgs = document.getElementById('content').getElementsByTagName('img'); //获取页面图片 ...