Dynamically change Button functionality on onclick event

Question

I would like to have a single button that does 2 functions without having to refresh or visit another page. 1. First will be Add to Cart button when clicked it will add a product to a cart and once the product is added to cart the button should 2. change to Remove from cart and when clicked Remove from cart button it should remove the item from cart and again change the button again back to Add to cart.

Right now I am using very simple onclick event button

<button class="btn btn-sm btn-inverse btn-embossed" onclick="ajaxSubmit('/add/product/<?php echo $productId; ?>/"><span><?php echo $this->__('Add to Cart') ?></span></button>

Product can be removed with url below

/remove/product/<?php echo $productId ?>/

I have already tried several options from other forums but I couldn't achieve it.

The easiest way is to use two buttons and hide one. See stackoverflow.com/questions/8685107/… for details how to hide a button. — David
– David, Commented Jan 29, 2016 at 9:47

Gvidas · Accepted Answer · 2016-01-29 09:43:59Z

1

I suggest you to move your ajax call from onclick event so you don't need o duplicate long code. Second add parameters like current action and id to data for jQuery access.

$('.product-btn').click(function(){
	if($(this).attr('data-action')=="add"){
  	  ajaxSubmit('/add/product/'+$(this).attr('data-id')+'/');
          $(this).attr('data-action','remove');
          $(this).children('span').html('Remove from cart');
  }else{
  	ajaxSubmit('/remove/product/'+$(this).attr('data-id')+'/');
        $(this).attr('data-action','add');
        $(this).children('span').html('Add to cart');
  }
});

<button class="btn btn-sm btn-inverse btn-embossed product-btn" data-action="add" data-id="<?php echo $productId; ?>"><span><?php echo $this->__('Add to Cart') ?></span></button>

answered Jan 29, 2016 at 9:43

Gvidas

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2 Comments

Kevin S Over a year ago

I think jQuery is causing conflict as I am getting Uncaught TypeError: Cannot read property 'click' of null error

Kevin S Over a year ago

I am getting Uncaught ReferenceError: ajaxSubmit is not defined error.

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