插值表达式修订版

插值表达式表达式形式只要能求出结果都行.大写 {{ nickname.toUpperCase() }}拼字符串 {{ nickname 你好 }}和加标签可以换行三元一串符表达式在上数据在下大变量中访问小变量一级变量中要加括号添加二级变量表达式中一级变量.二级变量注意点标签data换行要用代码!DOCTYPE html html langen head meta charsetUTF-8 meta http-equivX-UA-Compatible contentIEedge meta nameviewport contentwidthdevice-width, initial-scale1.0 titleDocument/title /head body !-- 创建 -- div idapp div{{ name.toUpperCase() }}/div div{{ name 你好 }}/div div{{ age 18 ? 牛逼 : 帅气 }}/div div{{ family.brother }}/div div{{ family.mother }}/div /div script srchttps://cdn.jsdelivr.net/npm/vue2.7.16/dist/vue.js/script script const app new Vue({ el:#app, data:{ name:dqh, age: 19, family: { brother: dxy, mother: rlr } } }) /script /body /html效果易犯错误data换行没用,