phantomjs学习之网页访问测速

1.编写loadpage2.js文件：

loadpage2.js

 var page = require('webpage').create(),
     system = require('system'),
     t, address;
 if(system.args.length == 1){
     console.log('Usage: loadpage.js <some URL>');
     phantom.exit()
 }
 t = Date.now();
 address = system.args[1];
 page.open(address, function (status) {
     if (status !== 'success') {
         console.log('Unable to load the address!');

     } else {
         t = Date.now() - t;
         console.log('Loading '+ system.args[1]);
         console.log('Loading time ' + t + ' msec');
     }
     phantom.exit();
 });

2.运行测试：