false?'true':false?'t':'f'//f 第二种嵌套情况 true?true?'a':'b':'c'//a true?false?'a':'b':'c'//b false?false?'a':'b':'c' //c var display_state = (state == null ? "未用" :(state == true ? "在用" : "停用"))...
JavaScript三元运算符嵌套使用 JavaScript三元运算符嵌套使⽤第⼀种嵌套情况 false?'true':true?'t':'f'//t false?'true':false?'t':'f'//f 第⼆种嵌套情况 true?true?'a':'b':'c'//a true?false?'a':'b':'c'//b false?false?'a':'b':'c' //c var display_state = (state =...