ios移动端input输入内容时向上偏移

$(document).on('blur', 'input', function () {undefined
            setTimeout(function () {undefined
                var scrollHeight = document.documentElement.scrollTop || document.body.scrollTop || 0;
                window.scrollTo(0, Math.max(scrollHeight - 1, 0));
            }, 100);
        });

标签：function,undefined,ios,偏移,scrollTop,input,document,scrollHeight
来源： https://www.cnblogs.com/yugueilou/p/15597119.html