Issue encountered while attempting to retrieve the element's styling attribute via the HTML console

Need help extracting the value of an element within the DOM. Specifically, I am interested in retrieving the "Active" value from the style attribute:

<span ng-class="{'megatable-filter-box-txt-selected' : filter.value.length > 0}" class="ng-binding megatable-filter-box-txt-selected" style="">Active</span>

When attempting to access it through the console, I used the following code:

    element = $("[sf-name='stateFilter']")        
    document.defaultView.getComputedStyle(element)

An error was thrown:

Uncaught TypeError: Failed to execute 'getComputedStyle' on 'Window': parameter 1 is not of type 'Element'. at <anonymous>:1:22

What mistake am I making? What is the correct method to retrieve this value?

javascriptjqueryhtmlcss

Answer №1

The element in question is not recognized as an element object. If the website has jQuery enabled, then it will be considered a jQuery object.

One potential solution is to try using: 

document.defaultView.getComputedStyle(element[0])

To access the DOM element objects within a jQuery object, you can treat it like an array and extract the DOM elements by their respective indexes.

If the provided code functions as intended, this indicates that the object is indeed a jQuery object with at least one DOM element that matches the specified selector.

Answer №2

The first parameter does not match the expected type 'Element'.

This particular function requires a direct reference to a DOM element, but you have provided a jQuery object instead.

To resolve this issue, retrieve the reference to the selected DOM element using jQuery by utilizing its index:

document.defaultView.getComputedStyle(element[0])

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