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Editorial Team
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Asked: 2026-06-12T08:54:54+00:00

I have such a problem – I want to change value of an element

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I have such a problem – I want to change value of an element on some external website.

Namely: I have webcam http interface which is password protected and there is a page with motion detection checkbox and “Apply” button (form submit). I want to create simple program with some sort of delayed toggling of motion detection (so I can launch this program and have some time to leave the building before motion detection starts). So I want to change checkbox state and write this change to system. I tried something like this, but that doesn’t work:

 jQuery.get("http://admin:password@192.168.0.1:12345/motion-page.asp",
       function(data){
         $('input[name="checkbox1"]').prop('checked', false);
         // and there "simulate" clicking on Apply button - submit the form -- don't know how ...
       }
 );

Can anybody help me with this, please?

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1 Answer

  1. Editorial Team

    I would backtrack from the page that shows when you submit the camera form. See if the form itself is submitting the “turn camera on” variable as GET or POST. If you already know this, then all you would have to do is access the same URL as the form from the camera (assuming it’s HTTP accessible on a network like this) and submit that same set of variables.

    If you don’t want to open a browser to do this, you could write yourself a custom application that submits it for you, but either way you have to open something to make the submission, as a script has to wait [X] amount of time before making the request. The fastest way will be through a browser.

    I am not sure you need jquery for this (I never use jquery hardly at all). What I would do on the scripting side, since merely accessing this script means you want to activate the timer most likely, would be to create a timer object in javascript, and then make a single function that either accesses the URL of the camera form submission with the GET string parameters (that’s easiest if it’s doable via GET, because you wont have to build a form), or, if it’s POST, have the function build a form and submit the form via POST to the same URL.

    Google how to create a timer in javascript, and google how to automatically submit a form. Doing the code for you would be a waste of my time if you can figure it out on your own. If not, come back and we’ll see what we can do 🙂
    Good luck.

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