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rem\u9002\u914d\u7684\u539f\u7406\u5982\u4e0b\uff1a<\/p>\n

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“`css<\/p>\n

html {<\/p>\n

font-size: 10px;<\/p>\n

}<\/p>\n

“`<\/p>\n

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“`css<\/p>\n

.container {<\/p>\n

width: 10rem;<\/p>\n

height: 5rem;<\/p>\n

font-size: 1.4APP\u5f00\u53d1<\/a>rem;<\/p>\n

}<\/p>\n

“`<\/p>\n

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\u5728JavaScript\u4e2d\uff0c\u6839\u636e\u8bbe\u5907\u7684\u5c4f\u5e55\u5bbd\u5ea6\u52a8\u6001\u8ba1\u7b97\u6839\u5143\u7d20\u7684\u5b57\u4f53\u5927\u5c0f\uff0c\u5e76\u5c06\u5176\u5e94\u7528\u5230\u9875\u9762\u4e0a\uff0c\u4f8b\u5982\uff1a<\/p>\n

“`javascript<\/p>\n

function setRem() {<\/p>\n

var screenWidth = document.documentElement.clientWidth || window.innerWidth || document.body.clientWidth;<\/p>\n

var fontSize = screenWidth \/ 10;<\/p>\n

document.documentElement.style.fontSize = fontSize + ‘px’;<\/p>\n

}<\/p>\n

window.addEventListener(‘resize’, setRem);<\/p>\n

setRem();<\/p>\n

“`<\/p>\n

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