Ask the values of the Variable JavaScript to a Web site

I have a local device that displays data from device via a browser status. If I open a browser, go to the address of the local device and open the console, I can access the status variables of the material by typing "answer [x]", where x represents a position in a table. This command returns the value of a given variable. I would like to have access to these variables in Labview so I can include the status of the device in my front panel. There is no documentation for other ways to communicate with this piece of hardware.

Is there a way to Labview to load a Web site and open a console javascript with the website in order to request and data effectively monitor?

I can't find anything useful to this end. thank you.

-A

For the URL of the POST VI, you put the ip address of the instrument. But since the javascript, it seems that the complete url includes/cmd/getalldata. So based on the addess ip in the screenshot, you may have to perform a "192.168.50.50/cmd/getalldata" as the URL.

Also, it seems to POST data you just enter the string 'getalldata' in VI. You should look at the headers of the messages in Chrome Post see that PUBLISH data JavaScript code is actually sending.

Tags: NI Software

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