Coursera Wiki for Machine Learning require login every time and page itself is so slow. This Script automatically go to main WikiPage

open_coursera_wiki_for_machine_learning course by JSX(JavaScript for OSX Automation).js

app = Application("Safari");
doc = app.Document().make();
win = app.windows[doc.name()];
win.currentTab.url = "https://share.coursera.org/wiki/index.php/ML:Main";

tab = app.windows[0].currentTab();		//somehow we need this.

ret = false;
do {
   ret = app.doJavaScript( "document.getElementById('bodyContent') == null", {in:tab});
   delay(0.2);
}while(ret==true);
console.log("ロード完了");

app.doJavaScript("document.getElementById('bodyContent').getElementsByTagName('a')[2].click();", {in:tab});

ret = false;
do {
    ret = app.doJavaScript( "document.getElementById('mw-returnto') == null", {in:tab});
   delay(0.2);
}while(ret==true);
console.log("ロード完了2");

app.doJavaScript("document.getElementById('mw-returnto').childNodes[1].click();",{in:tab});