Rewrite javascript function with selenium python

Question

I need to rewrite a existing function which is created by the website when the page is loaded. The function is something like this:

function CheckStatus() {
    var vcode = $.trim($("#insertCode").val()).toUpperCase();
    var vreturn = encodeURIComponent(document.getElementById('text_return').value);
... (lots of other stuff)
}

And I would like to rewite this function to be like this:

function CheckStatus() {
 return true;
}

If I paste this function in the chrome console, it rewrites with no problem. But when I try to do it with selenium It does not rewrite... I think it creates another function with the same name. My code in python using selenium webdriver is this:

driver.execute_script("function CheckStatus() { return true;}")

It does not return errors. Nothing happens actually.

Any clues how to solve this with selenium?

Thanks!

Caio Deutsch · Accepted Answer · 2019-01-09 12:31:17Z

1

Solve it with something similar:

driver.execute_script("CheckStatus = function CheckStatus() { return true;}")

Thanks guys!

answered Jan 9, 2019 at 12:31

Caio Deutsch

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Comments

molamk · Accepted Answer · 2019-01-07 18:14:03Z

0

You're sending a function declaration. Nothing is executed here because you didn't ask to execute anything, you just defined a function. What you want looks more like this:

driver.execute_script("() => ({ return true;})()")

Don't forget to actually call you function at the end.

answered Jan 7, 2019 at 18:14

molamk

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Comments

Alexander Vielimchanitsia · Accepted Answer · 2019-01-07 18:21:22Z

0

i'm not sure, but try to set the function to window object, maybe python's selenium has another name space

so:

driver.execute_script("window.CheckStatus = () => true;")

answered Jan 7, 2019 at 18:21

Alexander Vielimchanitsia

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