Detect if a jQuery UI dialog box is open

Question

I am using a jQuery UI dialog  If it is open  I want to do one thing  If it is closed  I want to do another    My question is  how do I detect if a jQuery UI dialog box is open or not

User · Answer

jQuery dialog has an isOpen property that can be used to check if a jQuery dialog is open or not    You can see example at this link  http   www codegateway com 2012 02 detect-if-jquery-dialog-box-is-open html

User · Answer

If you want to check if the dialog s open on a particular element you can do this   if      elem   closest   ui-dialog   is   visible            do something     Or if you just want to check if the element itself is visible you can do   if      elem   is   visible            do something     Or     if      elem visible   length          do something

User · Answer

Actually  you have to explicitly compare it to true  If the dialog doesn t exist yet  it will not return false  as you would expect   it will return a DOM object   if      mydialog   dialog  isOpen       true           true   else          false

User · Answer

Nick Craver s comment is the simplest to avoid the error that occurs if the dialog has not yet been defined   if      elem   is   visible            do something     You should set visibility in your CSS first though  using simply    elem   display  none

User · Answer

If you read the docs        mydialog   dialog  isOpen     This method returns a Boolean  true or false   not a jQuery object

[jquery] Detect if a jQuery UI dialog box is open

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