For javascript gurus: get an array of tr attributes with classes

Targets Web
1

this is a followup of the previous

I would like the same but some have a class=“active” attribute
I would like to get only the rowids of the that have this class=active
again, my javascript level is low enough I don’t have any idea how to proceed …
thanks.

my example table could be like this :

		<table id="mytable">
		<thead>
		</thead>
		<tbody>
		   <tr rowid="661">line6</tr>
		   <tr rowid="68" class="active">line8</tr>
		   <tr rowid="977">line7</tr>
		   <tr rowid="35" class="active">line3</tr>
		</tbody>
		</table>

I would like an array with [68] in it.

note: there can be more than one line with the active class in them.

2

I think the CSS selector matching what you want is “#mytable tr.active”.

3

seems you’re right Ricardo.
this

var myArr = $("#mytable tr.active").map(function (){
    return parseInt(this.getAttribute("rowid")); // returns an array
 });

works ! returns [68,35] on my example table

1 Like
4

Nice! =)

jQuery uses CSS selectors, so it’s a nice thing to learn (even if you don’t plan to spend too much time styling)