Javascript 三元布尔值 shorthand

Javascript ternary boolean shorthand

是否有以下 JavaScript 布尔三元表达式的 shorthand 语法:

var foo = (expression) ? true : false

当然,您只想将表达式转换为布尔值:

var foo = Boolean(expression);

the same thing shortened to double not operators:

var foo = !! expression;