[TOC] ## . type() 优于 typeof 的是 可区分 数组和对象 ``` jQuery.type( true ) === "boolean" jQuery.type( 3 ) === "number" jQuery.type( "test" ) === "string" jQuery.type( function(){} ) === "function" jQuery.type( [] ) === "array" jQuery.type( new Date() ) === "date" jQuery.type( new Error() ) === "error" // as of jQuery 1.9 jQuery.type( /test/ ) === "regexp" ```