HTML5 SVG full screen background image switching
HTML5 SVG full screen background image switching
代碼片段：
function removeThenAddClasses(domEl, removeClass, addClass) {
? if (Array.isArray(domEl)) {
? ? domEl.forEach(function (itemEl) {
? ? ? itemEl.classList.remove(removeClass);
? ? ? itemEl.classList.add(addClass);
? ? });
? } else {
? ? domEl.classList.remove(removeClass);
? ? domEl.classList.add(addClass);
? }
}
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