Question 36301 in Jquery Question posted in
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I can't add Style using the HTMLElement – Jquery

I am trying to collect the elements by class and store them in a variable using document.getElementsByClassName('class'). When I do a console log of these elements it returns the elements correctly.

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but when I try to add a style.display = ‘none’ I get an error with the ‘style’ . When I hover over the style the error tells me the following: ‘ Property ‘style’ does not exist on type ‘HTMLCollectionOf’.

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I tried adding as HTMLCollectionOf at the end, but I still get the same error.

let rows_hide = document.getElementsByClassName('brand-'+ element) as HTMLCollectionOf<HTMLElement>;

I have also tried putting rows_hide[0].style.display = 'none' but it still doesn’t fix it. I have tried several combinations with these solutions that I have found in the answers of other questions like using .addClass and adding the styles in the CSS file. But it still doesn’t work.

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How could I add display : ' none' to the elements I collect ?

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2

Answers


  1. 0

    The issue is that getElementByClassName returns every with this class name.

    If you only want the first, you may use

    document.querySelector(".class")

    or if you want to change style for each element something like this should do the trick

    [...document.getElementsByClassName("class")].forEach(el => (el as HTMLElement).style.display="none")
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  2. 0

    This trick work for me you can try it:

     let element = document.querySelector(".test_class")
    if(element)
        element.style.display = "none";

    or

    $(".test_class").css({ "display": 'none' })
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