How to write a JavaScript function that adds a button to DOM...that calls the same function when clicked - Jquery

aviiiiiiiva
March 31, 2023
282 views
0 votes
2 Answers

I’m trying to write a JavaScript / jQuery function that is called when a button with the class "add-row" is clicked. The function appends HTML to the DOM that adds another button with the same class. What I want is that when that second button is clicked, the function will be called again and create yet another button, and so on.

Here’s the code for the first button:

<div>
    <label for="add_row-0"></label><br>
    <button type="button" class="add-row">Add Another Item</button>
</div>

And here’s the JavaScript function:

$(document).ready(function(){
        $(".add-row").click(function(){

          
            $(".add-row").last().after(
                `<div>
                    <label for=${button_identifier}></label><br>
                    <button type="button" class="add-row">Add Another Item</button>
                    </div>
                </div>`
            );
         

        });
 });

This isn’t working – what’s happening is that the first button works fine and calls the function that creates the second button, but clicking on the second button does nothing.

Answers

- Unmitigated
- March 31, 2023 at 5:30 am
- 0 votes
0
Use event delegation on the nearest static ancestor of all the <div> containers with the buttons.
```
$(document).on('click', '.add-row', function(){
    // code here
});
```
document is used here as an example, but you should replace it with the nearest static ancestor for better performance.
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- MohamedTalaat
- March 31, 2023 at 5:34 am
- 0 votes
0
In your there are 2 things to tell,

1- the .click() function doesn’t work on newely appended(injected) elements on the dom, it works only on the rendered elemnts with page load.

2- in order to get your click function to work on newely appended elements, you need to use .on("click") function, so you listen on the document for click. =>
```
$(document).on(click, ".your-selector", function(){
    // your code here
});
```
so your code should be like
```
$(document).ready(function () {
    $(document).on(click, ".add-row", function () {
      $(".add-row")
        .last()
        .after(
          `<div>
               <label for=${button_identifier}></label>
                <br>
                <button type="button" class="add-row">Add Another Item</button>
            </div>`
        );
    });
  });
```
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