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Password Prank Javascript Injection

first things first, test it out.
in the url bar type the following

javascript:alert("hello")

"oh my god it said hello to me"
now try something like this

javascript:document.write("hello")

"oh my word a new page that says hello to me"
don't worry, this is going somewhere
now for some variables

javascript:void(a="hello); javascript:alert(a)

if your starting to understanding the concept you'll realize that somethings different. we set a variable to a and made it alert the value of a.

now heres where it gets more advanced.
go to a page with a login form like gmail.com and type this into the url bar

javascript:alert(document.forms[0].action)

the document function as you might have guessed documents something. as for the forms[0], your asking for the form (a type of html tag for those who dont know) and the number 0 (the first one on the page). and the action is where the form submits too.

now what were to happen if......

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Approximate Word Count: 569
Approximate Pages: 3 (250 words per double-spaced page)

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