<!-- CUSTOM QUANTITY BUTTONS -->
<style>
/* remove form styles & set margin at 0 */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
input[type="number"] {
-moz-appearance: textfield;
}
</style>
With Code Comments:
<!-- CUSTOM QUANTITY BUTTONS -->
<script>
const quantityGroupClass = "CLASS-NAME-HERE"
const quantityIncrementButtonClass = "CLASS-NAME-HERE"
const quantityDecrementButtonClass = "CLASS-NAME-HERE"
const quantityNumberFieldClass = "CLASS-NAME-HERE"
// attach click event to document that then delegates to the '+' increase button
// this ensures the click event works on dynamically added '+' buttons
$(document).on('click', `.${quantityIncrementButtonClass}`, function(){
// get the input field that displays the number of items
var $input = $(this).closest(`.${quantityGroupClass}`).find(`.${quantityNumberFieldClass}`);
// get its current value
var val = parseInt($input.val(), 10);
// add one to the current value
$input.val(val + 1);
// dispatch the 'change' event on the input field to update the cart's total items value
$input[0].dispatchEvent(new Event('change'));
});
// attach click event to document that then delegates to the '-' decrease button
// this ensures the click event works on dynamically added '-' buttons
$(document).on('click', `.${quantityDecrementButtonClass}`, function(){
// get the input field that displays the number of items
var $input = $(this).closest(`.${quantityGroupClass}`).find(`.${quantityNumberFieldClass}`);
// get its current value
var val = parseInt($input.val(), 10);
// minus one from the current value while it's more than one
// the value never goes below 1
$input.val(Math.max(val - 1, 1));
// dispatch the 'change' event on the input field to update the cart's total items value
$input[0].dispatchEvent(new Event('change'));
});
</script>
Without Code Comments:
<!-- CUSTOM QUANTITY BUTTONS -->
<script>
const quantityGroupClass = "CLASS-NAME-HERE"
const quantityIncrementButtonClass = "CLASS-NAME-HERE"
const quantityDecrementButtonClass = "CLASS-NAME-HERE"
const quantityNumberFieldClass = "CLASS-NAME-HERE"
// Increment
$(document).on('click', `.${quantityIncrementButtonClass}`, function(){
var $input = $(this).closest(`.${quantityGroupClass}`).find(`.${quantityNumberFieldClass}`);
var val = parseInt($input.val(), 10);
$input.val(val + 1);
$input[0].dispatchEvent(new Event('change'));
});
// Decrement
$(document).on('click', `.${quantityDecrementButtonClass}`, function(){
var $input = $(this).closest(`.${quantityGroupClass}`).find(`.${quantityNumberFieldClass}`);
var val = parseInt($input.val(), 10);
$input.val(Math.max(val - 1, 1));
$input[0].dispatchEvent(new Event('change'));
});
</script>
Quickly copy and paste the code crumbs into your project. If you are not familiar with how this snippet works then click the button below to view the full snippet page.
