js get class code example
Example 1: how to get element by class name javascript
document.getElementsByClassName("legend").style.display="none";
Example 2: javascript element by class
var elementsArray = document.getElementsByClassName("someclassname");
Example 3: javascript get class name
document.getElementById("myDIV").className = "mystyle";
Example 4: js get class property
let element = document.querySelector('.preset');
let style = getComputedStyle(element);
let bg = style.backgroundColor;
Example 5: classnames javascri+t
Installation:
yarn add classnames or npm i classnames
Usage:
classNames('foo', 'bar');
classNames('foo', { bar: true });
classNames({ 'foo-bar': true });
classNames({ 'foo-bar': false });
classNames({ foo: true }, { bar: true });
classNames({ foo: true, bar: true });
classNames('foo', { bar: true, duck: false }, 'baz', { quux: true });
classNames(null, false, 'bar', undefined, 0, 1, { baz: null }, '');
TypeInstallation:
yarn add @types/classnames