Modify a CSS style with JavaScript or jQuery

Question

Modify a CSS style with JavaScript or jQuery

Can CSS rules be overwritten using jQuery or JavaScript?

Imagine a table with rows categorized by different classes - "names" for persons and "company" for companies. How can we efficiently hide or show specific rows based on these classes?

If we have a filter to toggle the visibility of rows, we typically apply a "hidden" class to those we want to conceal. However, what happens when we need to dynamically add new data while maintaining the state of our checkboxes?

Is there a way to dynamically override CSS rules, such as changing ".names" to display: none when the corresponding checkbox is toggled? This could simplify handling new data insertion without additional checks.

EDIT: While I am familiar with adding and removing classes in HTML elements through jQuery, my goal is to modify the stylesheet itself on-the-fly, specifically overriding rules for a particular class from the original stylesheet.

javascript jquery css

Answer 1

Answer №1

To achieve the desired effect, refrain from altering a stylesheet rule and instead focus on where classes are being applied to control the display state. Consider adding a class to the table or tbody element rather than individual rows.

For instance, if you wish to hide company rows, assign a class "companyHidden" to the table itself. The CSS rule below will then hide those specific rows:

table.companyHidden tr.company {
    display: none;
}

By utilizing this method, you can circumvent concerns regarding additional rows while employing CSS to handle the task seamlessly for you.

Answer 2

To achieve the desired effect, refrain from altering a stylesheet rule and instead focus on where classes are being applied to control the display state. Consider adding a class to the table or tbody element rather than individual rows.

For instance, if you wish to hide company rows, assign a class "companyHidden" to the table itself. The CSS rule below will then hide those specific rows:

table.companyHidden tr.company {
    display: none;
}

By utilizing this method, you can circumvent concerns regarding additional rows while employing CSS to handle the task seamlessly for you.

Answer 3

Answer №2

One interesting technique is dynamically adding a style element with specific CSS properties to the document body.

For an example, check out this JSFiddle

In this scenario, it involves referencing bootstrap.css and then overriding the .btn-primary class upon page load:

$(function(){
   $("<style>")
       .text(".btn-primary{ background-color: cyan !important; min-height:20px; }")
       .appendTo($("body"));
});

This method offers flexibility for customizing styles dynamically. Give it a try!

Answer 4

One interesting technique is dynamically adding a style element with specific CSS properties to the document body.

For an example, check out this JSFiddle

In this scenario, it involves referencing bootstrap.css and then overriding the .btn-primary class upon page load:

$(function(){
   $("<style>")
       .text(".btn-primary{ background-color: cyan !important; min-height:20px; }")
       .appendTo($("body"));
});

This method offers flexibility for customizing styles dynamically. Give it a try!

Modify a CSS style with JavaScript or jQuery

Answer №1

Answer №2

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