Bookmarklet Maker
Bookmarklet Maker
Overviiew
Bookmarklet maker is a small web app to create bookmarklet or small executable Javascript apps to peform browser aumtomation tasks.
You can run this app by accessing the hyperlink:
If you don’t know what is a bookmarklet, see:
Bookmarklet Cheat Sheet
Get Metadata
Get current page title
<title>Paget Title</title>document.titleGet author
<meta content="author M.r dummy" name="author">Array.from(document.getElementsByTagName("meta"))
.find(function(e){return e.name == "author"})
.contentGet description
<meta content="A description of the page." name="description">Array.from(document.getElementsByTagName("meta"))
.find(function(e){return e.name == "description"})
.contentGet keywords
<meta content="keyword1 keyword2 keyword2" name="keywords">Array.from(document.getElementsByTagName("meta"))
.find(function(e){return e.name == "keywords"})
.contentGet current date
> var d = new Date() ; (d.getYear() + 1900).toString() + "-" + d.getMonth().toString() + "-" + d.getDay().toString()
"2016-9-4"Function getDate()
function getDate(){
var d = new Date();
return (d.getYear() + 1900).toString() + "-" +
d.getMonth().toString() + "-" + d.getDay().toString() ;
}
>> getDate()
"2017-3-5"Url
Get current page URL
document.URLRedirect current page
window.location.href = "http://www.httpbin.org/get"Open url in a new tab
window.open("http://www.yandex.com")URL manipulation
URL Manipulation is useful to send the current URL to some web service or Web App such as Google Driver or Web Archive.
- Open some page that doesn’t exist anymore in Web Archive:
var baseUrl = "https://web.archive.org/web/*/"
var urlmod = document.URL
window.location.href = baseUrl + urlmod- Open a file google Driver.
Example URL: https://drive.google.com/viewerng/viewer?url=lampwww.epfl.ch/~hmiller/scala2014/proceedings/p51-prokopec.pdf
var baseUrl = "http://lampwww.epfl.ch/~hmiller/scala2014/proceedings/p51-prokopec.pdf"
var urlmod = "https://drive.google.com/viewerng/viewer?url=" + baseUrl
window.open(urlmod)Open current page (PDF document in Google Driver).
window.open("https://drive.google.com/viewerng/viewer?url=" + document.URL);Open a prompt showing Google driver URL to current document. Useful to create short URL in services like tiny URL and view document in Tablets or Smartphones.
prompt("Google driver URL:", "https://drive.google.com/viewerng/viewer?url=" + document.URL);Misc
Display alert box (Messagebox)
alert("My message");Display a prompt
- The promopt function is useful to read user input and allow user to copy some data.
prompt("Window title", "Content")Display string in console
console.log(object);
console.log("My message");Style
Recipes
Generate org-mode Bibliographical Reference
function getDate(){
var d = new Date()
return (d.getYear() + 1900).toString() + "-" +
d.getMonth().toString() + "-" + d.getDay().toString() ;
};
var text = '*' + document.title + '*' + " Accessed at " + getDate() +
". Available at <" + document.URL + "> " ;
prompt("Type Ctrl+A and Ctrl+C to copy the markdown", text);It will generate a reference like this:
- Overview of Forks, Threads, and Asynchronous I/O Accessed at 2017-3-5. Available at http://www.remwebdevelopment.com/blog/overview-of-forks-threads-and-asynchronous-io-133.html
- *Overview of Forks, Threads, and Asynchronous I/O* Accessed at 2017-3-5. Available at <http://www.remwebdevelopment.com/blog/overview-of-forks-threads-and-asynchronous-io-133.html>
Change the page width for better readability
This will set the page width to the width of an A4 ISO paper sheet that makes easier to read long texts in the browser.
document.querySelector("body").style.setProperty("width", "800px")Invert page color for enhancing reading at night
document.querySelector("body").style.setProperty("color", "white")
document.querySelector("body").style.setProperty("background", "black")Change page background color
document.querySelector("body").style.setProperty("background", "white")