Why my attempts to alter numerous CSS elements using JQuery are failing?

Question

Why my attempts to alter numerous CSS elements using JQuery are failing?

Here's the code snippet I'm working with:

var showThis = $(this).attr('id'); // div0, div1, div2 etc.
$('#' + showThis).attr('style', 'background-color: #063 !important, height: 520px');

I am trying to modify the background-color, width, and height of

#showThis

using the above method since adding or switching classes breaks other parts of my code. The current code successfully changes the background-color and height, but not the width. Adding

width: 20px

at the end does not work as expected. It doesn't throw any JavaScript errors and still changes the background-color, but fails to change both the width and height. What could be causing this issue?

Please note that I must use the !important tag (meaning .css instead of .attr is not an option) and I am using Internet Explorer 8 and CSS (not CSS3).

javascript jquery css attr

Answer 1

Answer №1

There may be a more efficient method to achieve your desired outcome, such as using jQuery's css function as suggested by Chad. However, it is important to note that when defining separate styles for properties like background-color and height, you should use a semicolon (;) instead of a comma (,).

Answer 2

There may be a more efficient method to achieve your desired outcome, such as using jQuery's css function as suggested by Chad. However, it is important to note that when defining separate styles for properties like background-color and height, you should use a semicolon (;) instead of a comma (,).

Answer 3

Answer №2

Instead of utilizing the .attr() method, you have the option to utilize the .css() method by passing an object containing the desired styles as a parameter:

  $('#' + displayThis).css({
       'background-color' : '#063',
       'height': '520px',
       'width': '20px'
    });

update: You may find this Stack Overflow post helpful:

How to implement !important using .css()?

Answer 4

Instead of utilizing the .attr() method, you have the option to utilize the .css() method by passing an object containing the desired styles as a parameter:

  $('#' + displayThis).css({
       'background-color' : '#063',
       'height': '520px',
       'width': '20px'
    });

update: You may find this Stack Overflow post helpful:

How to implement !important using .css()?

Answer 5

Answer №3

You've made a few errors in your approach.

First off, using

.attr('style', 'background-color: #063 !important; height: 520px');

requires you to separate properties with a semicolon ;, not a comma ,. This is why it's not working as expected.

Secondly, consider using Chad's suggested method for changing your CSS, or perhaps adding a new class instead?

Thirdly,

var showThis = $(this).attr('id'); // div0, div1, div2 etc.
$('#' + showThis) //...

doesn't really make sense, since you're grabbing the element's id just to select it later. Simply use $(this) instead.

Edit

I'm not entirely sure why !important is necessary in your case, but it's generally best to avoid it and prioritize CSS Precedence. This approach should likely resolve any conflicts if you absolutely need to override another property.

Answer 6

You've made a few errors in your approach.

First off, using

.attr('style', 'background-color: #063 !important; height: 520px');

requires you to separate properties with a semicolon ;, not a comma ,. This is why it's not working as expected.

Secondly, consider using Chad's suggested method for changing your CSS, or perhaps adding a new class instead?

Thirdly,

var showThis = $(this).attr('id'); // div0, div1, div2 etc.
$('#' + showThis) //...

doesn't really make sense, since you're grabbing the element's id just to select it later. Simply use $(this) instead.

Edit

I'm not entirely sure why !important is necessary in your case, but it's generally best to avoid it and prioritize CSS Precedence. This approach should likely resolve any conflicts if you absolutely need to override another property.

Answer 7

Answer №4

Have you considered utilizing the css() function instead?

let elementId = $(this).attr('id'); // e.g., div0, div1, div2, etc.
$('#' + elementId).css({'backgroundColor': '#063', 'height': '520px'});

Using !important is unnecessary for inline styles.

Additionally, background-color should be written as backgroundColor.

Answer 8

Have you considered utilizing the css() function instead?

let elementId = $(this).attr('id'); // e.g., div0, div1, div2, etc.
$('#' + elementId).css({'backgroundColor': '#063', 'height': '520px'});

Using !important is unnecessary for inline styles.

Additionally, background-color should be written as backgroundColor.

Answer 9

Answer №5

Experiment with various Styling Classes such as:

Cascading Style Sheets (CSS)

.selected{
    background-color: #09c !important;
    height: 620px
}

JavaScript Code

Opt for using $(this) instead of $('#' + displayThis) in the following manner:

$(this).toggleClass('selected');//Switch to $(this) from $('#' + displayThis)

Answer 10

Experiment with various Styling Classes such as:

Cascading Style Sheets (CSS)

.selected{
    background-color: #09c !important;
    height: 620px
}

JavaScript Code

Opt for using $(this) instead of $('#' + displayThis) in the following manner:

$(this).toggleClass('selected');//Switch to $(this) from $('#' + displayThis)

Why my attempts to alter numerous CSS elements using JQuery are failing?

Answer №1

Answer №2

Answer №3

Edit

Answer №4

Answer №5

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