[thelist] What's the most reliable way to check a javascript null? - The Diigo Meta page

• 28 Oct 09
  

  Ed Burns

  javascript null

• 23 Oct 09
  

  OliverMartell

  javascript undefined

• 22 Jul 09
  

  Wim Bervoets

  javascript

• 20 May 09
  

  Steve Cho

  if (typeof yourvar != 'undefined')

  j javascript programming examples tips undefined

• 14 Mar 09
  

  Simon Ford

  null javascript undefined

• 11 Mar 09
  

  Frx bogetz

  in Object javascript check null

• 22 Dec 08
  

  Yura Yatsuk

  javascript

• 29 Oct 08
  

  zeroeth

  javascript programming

• 16 Sep 08
  

  Chris Brainard

  Trailfire Javascript

• 02 May 08
  

  alfred westerveld

  is nu ll javascript

• 31 Mar 08
  

  Tristan Bailey

  if (typeof yourvar != 'undefined') // Any scope

  javascript null tips

• 10 Mar 08
  

  diigodeli dunbar

  window['varname'] != undefined

  javascript null undefined examples howto tips

• 05 Dec 07
  

  Jean Paul Piccato

  sviluppo documentazione javascript null

• 16 Oct 07
  

  Andrew Gilmartin

  javascript howto

• 07 Mar 07
  

  desmond54

  If you want to check if a variable exist if (typeof yourvar != 'undefined') // Any scope if (window['varname'] != undefined) // Global scope if (window['varname'] != void 0) // Old browsers

  javascript

• 22 Jan 07
  

  webdevelopment javascript variables

• 08 Nov 06
  

  jemiweb

  Methods in javascript

  javascript

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