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Topic: Dynamic HTML generated dropdown do not work

Alexis Comte priority asked 9 months ago


Expected behavior

Dropdown is working

Actual behavior

dropdown is not working

Resources (screenshots, code snippets etc.)

see demo on https://www.affection.org/test/mdb.html


Alexis Comte priority commented 9 months ago

see snippet on

https://mdbootstrap.com/snippets/standard/alexis_comte/5991105


Alexis Comte priority answered 9 months ago


I found an other bug

When you have 2 differents generated dropdowns, this is not working , the second dropdown show the menu of the first

exemple with my snipped :

https://mdbootstrap.com/snippets/standard/alexis_comte/5991105


Kamila Pieńkowska staff commented 9 months ago

You should initialize dropdown like this

dyn.querySelectorAll('[data-mdb-dropdown-init]').forEach((d) => { const instance = mdb.Dropdown.getOrCreateInstance(d) });


Alexis Comte priority commented 9 months ago

THANKS this is working


uniagro premium answered 9 months ago


Hello,

you have to initializate the dropdown after setting the HTML content:

  • · Create an instance object
  • · Call the update method

See the updated snippet:https://mdbootstrap.com/snippets/standard/uniagro/5991153


Alexis Comte priority commented 9 months ago

Thanks a lot, I think there is a problem with the URL of the snippet, I get a 404 error


Alexis Comte priority commented 9 months ago

I tried your solution but I get a javascript error

manipulator.js:70 Uncaught TypeError: Cannot read properties of null (reading 'classList') at Object.addClass (manipulator.js:70:25) at Ps._showPlaceholder (input.js:188:17) at Ps._getLabelData (input.js:131:12) at Ps.init (input.js:78:10) at new Ps (input.js:55:12) at m.html:59:33 at HTMLCollection.forEach () at CreateDrop (m.html:59:10) at HTMLButtonElement.onclick (m.html:44:32) addClass @ manipulator.js:70 _showPlaceholder @ input.js:188 _getLabelData @ input.js:131 init @ input.js:78 Ps @ input.js:55 (anonymous) @ m.html:59 CreateDrop @ m.html:59 onclick @ m.html:44

I wrote this way :

document.querySelectorAll('.dropdown').forEach((element) => { new mdb.Input(element).update(); });


Alexis Comte priority commented 9 months ago

I have updated the snippet , not working

https://mdbootstrap.com/snippets/standard/alexis_comte/5991105#html-tab-view

I would really like to see your snippet


Alexis Comte priority commented 9 months ago

I have updated the snippet , not working

https://mdbootstrap.com/snippets/standard/alexis_comte/5991105#html-tab-view

I would really like to see your snippet


uniagro premium commented 9 months ago

Sorry, it seems that the snippet wasn't public. Try now.


Alexis Comte priority commented 9 months ago

THANKS it is working !!!


Kamila Pieńkowska staff commented 9 months ago

I will just add that updating instance is not necessary. Using new constructor is enough. Other than that solution prvided by uniagro is good.


Alexis Comte priority commented 9 months ago

I found an other bug

When you have 2 differents generated dropdowns, this is not working , the second dropdown show the menu of the first

exemple with my snipped :

https://mdbootstrap.com/snippets/standard/alexis_comte/5991105



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Status

Answered

Specification of the issue

  • ForumUser: Priority
  • Premium support: Yes
  • Technology: MDB Standard
  • MDB Version: MDB5 7.1.0
  • Device: PC
  • Browser: Chrome
  • OS: Windows
  • Provided sample code: No
  • Provided link: Yes