Stay organized with collections
Save and categorize content based on your preferences.
blockly > utils > dom > addClass
utils.dom.addClass() function
Add a CSS class to a element.
Handles multiple space-separated classes for legacy reasons.
Signature:
export declare function addClass(element: Element, className: string): boolean;
Parameters
| Parameter |
Type |
Description |
| element |
Element |
DOM element to add class to. |
| className |
string |
Name of class to add. |
Returns:
boolean
True if class was added, false if already present.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2024-09-18 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["The `utils.dom.addClass()` function in Blockly adds a specified CSS class to a given DOM element."],["It supports adding multiple classes separated by spaces and returns `true` if the class was successfully added, `false` otherwise."],["This function is primarily used for styling and manipulating the appearance of elements within Blockly workspaces."]]],[]]
