Updating the value of data attribute using jQuery

Question

I have the following HTML code    lt a class  toggle  href   toggle  gt       lt img src  app css images tock png  alt  No  data-id  4  data-block  1  gt   lt  a gt    I want to update the value of the src and data-block attributes using jQuery  How do I do this   Update  As I have many image elements  I want to update the value of a specific image by using data-id

User · Answer

toggle img   data  block    something   attr  src    something jpg

User · Answer

toggle img   data  block    something        toggle img   attr  src    something jpg      Use jQuery data and jQuery attr   I m showing them to you separately for the sake of understanding

User · Answer

I want to change the width and height of a div  data attributes did not change it  Instead I use   var size       theme photo size   val   split  x        imageupload img   width size 0        imageupload img   attr  data-width   size 0        imageupload img   height size 1        imageupload img   attr  data-height   size 1      be careful       imageupload img   data  height   size 1      did not work   did not set it      imageupload img   attr  data-height   size 1       yes it worked    this has set it

User · Answer

toggle img   each function index         if   this  attr  data-id       4                   this  attr  data-block    something              this  attr  src    something jpg                or       toggle img data-id  4     attr  data-block    something        toggle img data-id  4     attr  src    something jpg

[jquery] Updating the value of data attribute using jQuery

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