css3语法: (750px设计图的1rem = 100px)
@media only screen and (min-width: 320px) and (max-width: 479px){ html { font-size: 42.67px !important; } } @media only screen and (min-width: 480px) and (max-width: 639px){ html { font-size: 64px !important; } } @media only screen and (min-width: 640px) and (max-width: 749px){ html { font-size: 85.34px !important; } } @media only screen and (min-width: 750px) and (max-width: 959px){ html { font-size: 100px !important; } } @media only screen and (min-width: 960px) and (max-width: 1241px){ html { font-size: 128px !important; } } @media only screen and (min-width: 1242px){ html { font-size: 165.6px !important; } }
js控制
(zepto / jquery)(750px设计图的1rem = 100px) function setfont() { let window_width = window.innerwidth; let font_size = parsefloat(window_width / 3.75); $('html').css('font-size', font_size); } $(window).on('resize', function () { setfont(); });
总结