29 lines
727 B
JavaScript
29 lines
727 B
JavaScript
export function hasClass(node, className) {
|
|
if (node.classList) {
|
|
return node.classList.contains(className);
|
|
}
|
|
const originClass = node.className;
|
|
return ` ${originClass} `.indexOf(` ${className} `) > -1;
|
|
}
|
|
|
|
export function addClass(node, className) {
|
|
if (node.classList) {
|
|
node.classList.add(className);
|
|
} else {
|
|
if (!hasClass(node, className)) {
|
|
node.className = `${node.className} ${className}`;
|
|
}
|
|
}
|
|
}
|
|
|
|
export function removeClass(node, className) {
|
|
if (node.classList) {
|
|
node.classList.remove(className);
|
|
} else {
|
|
if (hasClass(node, className)) {
|
|
const originClass = node.className;
|
|
node.className = ` ${originClass} `.replace(` ${className} `, ' ');
|
|
}
|
|
}
|
|
}
|