How can I add a button to each list view item with Reactjs?

Question

I added a join button next to each group as follows:

var publicGroupItems = publicGroups.map(group =>
            <ListItem key={group._id} global href={'/groups/' + group._id} image={group.imageUrl} title={group.name} ><button type="button" onClick={this.joinGroup(group._id)}>joinGroup</button></ListItem>)

When I click on the button it goes through each of the groups ids and adds the current user to ALL groups.

How can I make it so that the user is only added to the specific group where I clicked join?

Welcome to StackOverflow! In the future when posting questions, please make sure to properly format your code using the { } code formatting option. — wahwahwah
– wahwahwah, Commented May 13, 2015 at 14:35

Gazler · Accepted Answer · 2015-05-13 15:06:33Z

2

The problem here is your onClick

onClick={this.joinGroup(group._id)}

Since you have this.joinGroup(group._id) as a function call, it will be called once for each group before the button is even clicked.

You need to reference your function instead of calling it:

onClick={this.joinGroup.bind(this, group._id)}

This will trigger joinGroup when the button is clicked. The first argument will be the value of group._id and the second will be the SyntheticEvent.

joinGroup: function(groupId, event) {
  //Join The Group
}

edited May 13, 2015 at 15:06

answered May 13, 2015 at 15:01

Gazler

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