phantomjs学习之网页访问测速

1.编写loadpage2.js文件：

loadpage2.js

 1 var page = require('webpage').create(),
 2     system = require('system'),
 3     t, address;
 4 if(system.args.length == 1){
 5     console.log('Usage: loadpage.js <some URL>');
 6     phantom.exit()
 7 }
 8 t = Date.now();
 9 address = system.args[1];
10 page.open(address, function (status) {
11     if (status !== 'success') {
12         console.log('Unable to load the address!');
13         
14     } else {
15         t = Date.now() - t;
16         console.log('Loading '+ system.args[1]);
17         console.log('Loading time ' + t + ' msec');
18     }
19     phantom.exit();
20 });

2.运行测试：