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455 B

export default function getScroll(target, top): number {
if (typeof window === 'undefined') {
return 0;
}
const prop = top ? 'pageYOffset' : 'pageXOffset';
const method = top ? 'scrollTop' : 'scrollLeft';
const isWindow = target === window;
let ret = isWindow ? target[prop] : target[method];
// ie6,7,8 standard mode
if (isWindow && typeof ret !== 'number') {
ret = window.document.documentElement[method];
}
return ret;
}