append - Jquery Multiple "this" -

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I have this function and second this before the row is not needed to reference the function First line of: 

  $ ('externallink'). Each (function () {var $ externallink = $ (this) .html (); if ($ externallink.length & gt; 0) {$ (this) .closest ('tr'). Children ('filter') The app ('& lt; p & gt; Exam & lt; / p & gt;';)}});   
 then the first  (this) refers to .html ()   ('externallink'). Each (function () .  
 second  (this) .closest ('tr')  I also mention the first  ('.externallink') Each (task () (), but I think it is talking to  ($ externallink.length> 0)  which is just above it.  
 There are several rows in this table, so I need to make sure that  ('. Filter') is adding the  sections which is the only one that is  .externallink < / Code> In question  
 
  & lt; tr & gt; & lt; td style = "width A: 35% "> a class =" filter "href =" # "& gt; March & lt; / a & gt; & lt; / td & gt; & lt; td class =" year "Style =" width: 20% "> 2010  & lt; td class =" externallink "style =" display: none "& gt; http: // Www.google.com/     
 
 
   is perfectly fine and is referred to .externall ink.  
 I do not think there is a function named in jQuery in  child  instead,  children  Use  
 Change your code: <($ Externallink.length & gt; 0) {// $ (this) .closest ('tr'). Children ('.filter'). ('& Lt; p & gt; Exam & lt; / p & gt;'); $ (This) .clostest ('tr'). .filter ') .andand (' & lt; p & gt; Exam & lt; / p & gt; ';)}});   
 If you can post the navigation to post the HTML. Can also be valid as a filterer.

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