Method setPageTop

Pagetual/pagetual.user.js:7755–7766

(top)

        }

        setPageTop(top) {
            let bodyScroll = getBody(document).scrollTop;
            if (bodyScroll) {
                if (Math.abs(bodyScroll - top) > 50) {
                    getBody(document).scrollTop = top;
                }
            } else {
                if (Math.abs(document.documentElement.scrollTop - top) > 50) {
                    document.documentElement.scrollTop = top;
                }
            }
        }

        async insertPage(doc, eles, url, callback, tried) {
            this.oldUrl = this.curUrl;