jQuery lite is simply a stripped-down version of jQuery that is built directly into AngularJS. The intent is to provide all the useful features of jQuery and yet keep it constrained within the AngularJS separation of responsibilities paradigm.
Table 2.2 lists the jQuery methods available in jQuery lite along with any restrictions that might apply. The restrictions are necessary to enforce things like manipulating elements only within a custom directive, and so on.
Table 2.3 lists the additional events and methods that AngularJS adds to jQuery lite objects.