js常用方法

# 设置长
document.getElementsByClassName('currencytables__TableScroller-xlq26m-1 eLRiRK')[0].style.maxHeight = '15000px'
# 设置宽
document.getElementsByClassName('currencytables__TableScroller-xlq26m-1 eLRiRK')[0].style.maxWidth = '1500px'