angular Js DOMStringMap

Question

var $ input = $（输入）;从输入

给我这个对象

jQuery.fn.init[1]
0:input.input-misc-fee.ng-valid.ng-dirty.ng-valid-parse.ng-touched
context:input.input-misc-fee.ng-valid.ng-dirty.ng-valid-parse.ng-touched
length:1

我们如何在角度js中实现？