How to Verify if the Page is in Edit Mode using JavaScript in SharePoint 2013

EditModeJavascript.js

//For Publishing Page
//SharePoint default input called MSOLayout_InDesignMode is there. If the value is 1, then page is in edit mode else it is in display mode.
//Hide   Copy Code

var inDesignMode = document.forms[MSOWebPartPageFormName].MSOLayout_InDesignMode.value;

if (inDesignMode == "1"){
   // page is in edit mode
}
else{
   // page is in browse mode
}
//This will refer to the value of the following HTML input control, which is rendering on the page when it is in edit mode:

//----------------------------------------------------------//
/*<input id="MSOLayout_InDesignMode" name="MSOLayout_InDesignMode" 
type="hidden" value="1" />*/

/************************************************************************/
//For Wiki Pages

//Same as above another default input _wikiPageMode parameter will be used. If the value is Edit page is in edit mode else in display mode.

var wikiInEditMode = document.forms[MSOWebPartPageFormName]._wikiPageMode.value;
if (wikiInEditMode == "Edit"){
   // wiki page is in edit mode
}
else{
   // wiki page is not in edit mode
}