前端的15种工具方法

1.邮箱

export const isEmail = (s) => {
    return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/.test(s)
}

2.手机号码

export const isMobile = (s) => {
    return /^1[0-9]{10}$/.test(s)
}

3.电话号码

export const isPhone = (s) => {
    return /^([0-9]{3,4}-)?[0-9]{7,8}$/.test(s)
}

4.是否url地址

export const isURL = (s) => {
    return /^http[s]?:\/\/.*/.test(s)
}

5.是否字符串

export const isString = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'String'
}

6.是否数字

export const isNumber = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Number'
}

7.是否boolean

export const isBoolean = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'
}

8.是否函数

export const isFunction = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Function'
}

9.是否为null

export const isNull = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Null'
}

10.是否undefined

export const isUndefined = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'
}

11.是否对象

export const isObj = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Object'
}

12.是否数组

export const isArray = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Array'
}

13.是否时间

export const isDate = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Date'
}

14.是否正则

export const isRegExp = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'
}

15.是否错误对象

export const isError = (o) => {
    return Object.prototype.toString.call(o).slice(8, -1) === 'Error'
}