Detect what page you are on JavaScript?

Get url of page are you on

location.href

document.URL

Set style to element by id:

document.getElementById('mydiv').style.border = '1px solid black';

document.URL will get you the URL of the current page.

To check for a specific page you would use:

if ( document.URL.includes("homepage.aspx") ) {
    //Code here
}

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