javascript - How to change body style using angular -

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i have following code , bunch of other angular code :-

<body class="ftb2">  lot of code here </body>

and in angular controller have

var bodytemp = $document[0].body;                 bodytemp.removeclass("ftb2");

it gets bodytemp not remove class. chrome debugger :-

bodytemp: body.ftb2 alink: ""

etc....

not sure reason?

ps:- angualar scope defined inside div within body , cannot change code :-

<body class="ftb2"> <!-- angular boot strapped id--> <div id="xyz"> </div> </body>

bootstrap code :-

var root = document.getelementbyid("xyz");   angular.bootstrap(root, ["appinvest"])

its bad way of doing this, since there no option need add dom manipulation controller.

angular.element($document).find('body').removeclass('ftb2')

working plunkr


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