Javascript - Jquery - click(function()

Question

Can someone tell me what is wrong with this javascript ?

      $("#parent-project").attr("data-id").click(function(){ 
       //some code...
      }

The console output is:

Cannot read property 'click' of undefined

Sure, .attr("data-id") returns a string, which has no click method — adeneo
– adeneo, Commented Jun 15, 2015 at 16:39
how can I solve this issue ? Because the only way to select the right div is by data-id attribute — Nathan Schwarz
– Nathan Schwarz, Commented Jun 15, 2015 at 16:40
@NathanSchwarz, in my answer an element with id parent-project and attribute data-id is selected — AmmarCSE
– AmmarCSE, Commented Jun 15, 2015 at 16:42
$("#parent-project[data-id="+myVar+"]").click(function(){ // code } — evolutionxbox
– evolutionxbox, Commented Jun 15, 2015 at 16:42

AmmarCSE · Accepted Answer · 2015-06-15 16:40:07Z

4

Using attr() will return a string value to which a click handler cannot be attached. I imagine you wanted

$("#parent-project[data-id]").click(function(){ 
       //some code...
      }

In which [] is notation for attribute

answered Jun 15, 2015 at 16:40

AmmarCSE

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5 Comments

Nathan Schwarz Over a year ago

I've got an other question. Is it possible to compare only the data-id of different elements ?

AmmarCSE Over a year ago

@NathanSchwarz, what do mean compare? Can you give me some HTML and what you want so I can better understand?

Nathan Schwarz Over a year ago

I would like to compare the data-id to get something like :if ($("#parent-project[data-id]") != ("#open_project[data-id]")) { but only compare the data-id

AmmarCSE Over a year ago

@NathanSchwarz, like this if ($("#parent-project").attr("data-id") != $("#open_project").attr("[data-id]"))

AmmarCSE Over a year ago

@NathanSchwarz, there was typo in the comment above, I fixed it

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