README
Type judgment for javascript
Usage
const varis = require("varis");
varis.isStr("val");
varis.isNum("val");
varis.isInt("val");
varis.isArr("val");
varis.isFunc("val");
varis.isBool("val");
varis.isNull("val");
varis.isUndef("val");
varis.isDate("val"); // instanceof Date
varis.isObj("val");
varis.isFormatDate("2019-03-22 10:21:46.323"); // "2019-03-22 10:21:46","2019-03-22 10:21:46.323"