数据类型检查

installation

check

a JavaScript function for check javascript type.

Installation

You can use this package on the server side as well as the client side.

Node.js:

npm install types-check

API

• isArray: 验证变量类型是否是数组

• isJSON： 验证变量类型是否是json

• isFunction: 验证变量类型是否是函数

• isString: 验证变量类型是否是字符串

• isNumber: 验证变量类型是否是数字

• isUndefined: 验证变量类型是否是undefined

• isNull: 验证变量类型是否是null

  • data -- String, Object, Array, undefined, null, number or Function
  • returns Boolean

Usage

const typesCheck = require('types-check')

console.log(typesCheck.isArray(data));
console.log(typesCheck.isJSON(data));
console.log(typesCheck.isFunction(data));
console.log(typesCheck.isString(data));
console.log(typesCheck.isNumber(data));
console.log(typesCheck.isUndefined(data));
console.log(typesCheck.isNull(data));