~~~ // -意味着javascript代码 div -var a = 10; -var b = 20; div 输出#{a+b}; ~~~ ~~~ //=等于号,直接输出javascript中的值 div span=a span=b span #{a} const jade = require('jade'); console.log(jade.renderFile('./views/index.jd',{pretty:true,b:11,a:23})) ~~~ ~~~ span=a和span #{a}等价 ~~~