javascript 微信公众号文章页自动滚动到底部

Posted 2021-05-04

var jumpScript = '<script>'+

                'function jumpIf(date=2000, jumpUrl=""){'+

                    'var doc = document.all[0].innerHTML;'+

                    'if( /<span[^>]*display\\:\\s*none[^>]*>\\.*?已无更多\\.*?<\\\/span>/i.test(doc) ){'+

                        'document.body.scrollTop = document.body.scrollHeight - (document.body.clientHeight && document.documentElement.clientHeight);'+
                        'setTimeout(jumpIf, date);'+

                    '}else{'+
                        'setTimeout(function(){window.location.href=jumpUrl}, date);'+
                    '};'+
                '}'+

                'window.onload = function(){'+
                    'jumpIf([#dateJump]);'+
                '}'+
            '</script>';