js 获取数据类型
2021-03-30 07:25
标签：efi 取数据 define var javascrip map ceo rip 数据类型 js 获取数据类型 标签：efi 取数据 define var javascrip map ceo rip 数据类型 原文地址：https://www.cnblogs.com/wangyunhui/p/12598909.htmlconst getObjType = function (obj){
var toString = Object.prototype.toString;
var map = {
‘[object Boolean]‘: ‘boolean‘,
‘[object Number]‘: ‘number‘,
‘[object String]‘: ‘string‘,
‘[object Function]‘: ‘function‘,
‘[object Array]‘: ‘array‘,
‘[object Date]‘: ‘date‘,
‘[object RegExp]‘: ‘regExp‘,
‘[object Undefined]‘: ‘undefined‘,
‘[object Null]‘: ‘null‘,
‘[object Object]‘: ‘object‘
};
if (obj instanceof Element) {
return ‘element‘;
}
return map[toString.call(obj)];
};
上一篇：js的栈内存和堆内存