Object.prototype.toString.call 检
2019-04-03 本文已影响0人
royluck
console.log(Object.prototype.toString.call("jerry")); //[object String]
console.log(Object.prototype.toString.call(12)); //[object Number]
console.log(Object.prototype.toString.call(true)); //[object Boolean]
console.log(Object.prototype.toString.call(undefined)); //[object Undefined]
console.log(Object.prototype.toString.call(null)); //[object Null]
console.log(Object.prototype.toString.call({name: "jerry"})); //[object Object]
console.log(Object.prototype.toString.call(function(){})); //[object Function]
console.log(Object.prototype.toString.call([])); //[object Array]
console.log(Object.prototype.toString.call(new Date)); //[object Date]
console.log(Object.prototype.toString.call(/\d/)); //[object RegExp]
function Person(){};
console.log(Object.prototype.toString.call(new Person)); //[object Object]
