console.log(1)
console.log({ name: 1 })

//判断类型
function isType(type){
    return function (val){
        return Object.prototype.toString.call(val).includes(type)
    }
}

var arr = ['String','Object','Number']
var fn = {}
arr.forEach(item => {
    fn['is'+ item] = isType(item)
})

console.log(fn.isString('aa'),22)

console 命令行工具 X clear

console