asp.net - How to detect/track postback in javascript? -

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Detect / track / check postback in javascript (like asp.net page. Any suggestions?

ASPX: 

  input type = "hidden" id = "_ ispostback" value = "& Lt;% = Page.IsPostBack.ToString ()%> & gt;

Client-side script: 

  function isPostBack () {// function to see if a page is a postback-ed return document .getElementById ('_ispostback'). Value == 'True';}

PS: I Is not tested, but I've already done something similar and it worked.


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