Js&jquery ways to avoid errors

createtime--2016 December 8 15:28:40
Author:marydon
Js&jquery two ways to avoid error messages

<Scripttype= "Text/javascript">    $(function() {        /*method One: Catch exceptions*/        Try {            $('Div[id=treecontainer]'). each (function(){                    $( This). Width ($ ('#LeftPage'). width ());        }); } Catch(e) {}/*method Two: plus a non-null check*/        if ($('Div[id=treecontainer]')) {            $('Div[id=treecontainer]'). each (function(){                $( This). Width ($ ('#LeftPage'). width ());        }); }    });</Script>

Js&jquery ways to avoid errors