# 类型处理
# 目录结构
|-- src
|-- |-- utils
|-- |-- | |--type.js
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# 实现 (opens new window)
const toString = Object.prototype.toString
export function isFunction (obj) {
return typeof (obj) === 'function'
}
export function isObject (obj) {
return obj === Object(obj)
}
export function isArray (obj) {
return toString.call(obj) === '[object Array]'
}
export function isDate (obj) {
return toString.call(obj) === '[object Date]'
}
export function isRegExp (obj) {
return toString.call(obj) === '[object RegExp]'
}
export function isBoolean (obj) {
return toString.call(obj) === '[object Boolean]'
}
export function isNumberical (obj) {
return (typeof (obj) === 'number' || typeof (obj) === 'string') && !isNaN(obj - parseFloat(obj))
}
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