---
description: >-
  https://stackoverflow.com/questions/12703918/changing-selected-option-on-button-click
---

# Changing selected option on button click  select (ok) homef.vn hoặc inop.vyanh.net

[http://jsfiddle.net/8RUBj/15/](http://jsfiddle.net/8RUBj/15/)

```
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.1.1/jquery.mobile-1.1.1.min.css" />
<script src="http://code.jquery.com/jquery-1.7.1.min.js"></script>
<script src="http://code.jquery.com/mobile/1.1.1/jquery.mobile-1.1.1.min.js"></script>


<div data-role="page" id="page12">
    <div data-theme="e" data-role="header">
        <a href="#page1" data-icon="back" data-transition="flow" data-direction="reverse" data-ajax="false">Back</a>
        <h3>
            jQuery Mobile App
        </h3>
    </div>
    <div data-role="content">    
      <label for="City">Select City</label>
      <select name="City" id="City">
          <option value="">Select city...</option>
          <option value="A">Auckland</option>
          <option value="W">Wellington</option>
          <option value="C">Christchurch</option>
          <option value="Q">Queenstown</option>
          <option value="D">Dunedin</option>
      </select>
      <br>
      <div data-role="controlgroup">
          <a data-role="button" data-val="A" class="select-change" id="btnAuckland">Auckland</a>
          <a data-role="button" data-val="W" class="select-change"id="btnWellington">Wellington</a>
          <a data-role="button" data-val="C" class="select-change"id="btnChristchurch">Christchurch</a>
          <a data-role="button" data-val="Q" class="select-change"id="btnQueenstown">Queenstown</a>
          <a data-role="button" data-val="D" class="select-change"id="btnDunedin">Dunedin</a>
      </div>
    </div><!-- Close Content Div of Page12 -->
</div><!-- Close Page12 -->
```

```
$('.select-change').click(function(){ 
    $('#City').val($(this).data('val')).trigger('change');
})
```

![](https://2494213435-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LYjAG13rAPdbArSfRyB%2F-M2alSQozbJ04xb1TWzO%2F-M2aliFJVvEUMy9vWx8c%2FScreenshot.png?alt=media\&token=d4a61502-9769-4b7b-a94d-1f621c191f6e)

![](https://2494213435-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LYjAG13rAPdbArSfRyB%2F-M5TSzIy7UVPyOS_g9Vn%2F-M5TTfAGoQcFdZmvI4qm%2FScreenshot_3.png?alt=media\&token=83317fc8-d670-4f5b-985b-fd1973bf1fbf)

```
<?php
/**
 * Variable product add to cart
 *
 * This template can be overridden by copying it to yourtheme/woocommerce/single-product/add-to-cart/variable.php.
 *
 * HOWEVER, on occasion WooCommerce will need to update template files and you
 * (the theme developer) will need to copy the new files to your theme to
 * maintain compatibility. We try to do this as little as possible, but it does
 * happen. When this occurs the version of the template file will be bumped and
 * the readme will list any important changes.
 *
 * @see https://docs.woocommerce.com/document/template-structure/
 * @package WooCommerce/Templates
 * @version 3.5.5
 */

defined( 'ABSPATH' ) || exit;

global $product;

$attribute_keys  = array_keys( $attributes );
$variations_json = wp_json_encode( $available_variations );
$variations_attr = function_exists( 'wc_esc_json' ) ? wc_esc_json( $variations_json ) : _wp_specialchars( $variations_json, ENT_QUOTES, 'UTF-8', true );

do_action( 'woocommerce_before_add_to_cart_form' ); ?>

<form  class="variations_form cart" action="<?php echo esc_url( apply_filters( 'woocommerce_add_to_cart_form_action', $product->get_permalink() ) ); ?>" method="post" enctype='multipart/form-data' data-product_id="<?php echo absint( $product->get_id() ); ?>" data-product_variations="<?php echo $variations_attr; // WPCS: XSS ok. ?>">
	<?php do_action( 'woocommerce_before_variations_form' ); ?>

	<?php if ( empty( $available_variations ) && false !== $available_variations ) : ?>
		<p class="stock out-of-stock"><?php echo esc_html( apply_filters( 'woocommerce_out_of_stock_message', __( 'This product is currently out of stock and unavailable.', 'woocommerce' ) ) ); ?></p>
	<?php else : ?>
		<table class="variations" cellspacing="0">
			<tbody>
				<?php foreach ( $attributes as $attribute_name => $options ) : ?>
					<tr <?php if($attribute_name === 'pa_kich-thuoc'){echo 'class="trpasize"';}elseif ($attribute_name === 'pa_mau') {echo 'class="trpacolor"';} ?>>
						<td class="label"><label for="<?php echo esc_attr( sanitize_title( $attribute_name ) ); ?>"><?php echo wc_attribute_label( $attribute_name ); // WPCS: XSS ok. ?></label></td>
						<td class="value">
							<?php
								$selected = isset( $_REQUEST[ 'attribute_' . sanitize_title( $attribute_name ) ] ) ? wc_clean( stripslashes( urldecode( $_REQUEST[ 'attribute_' . sanitize_title( $attribute_name ) ] ) ) ) : $product->get_variation_default_attribute( $attribute_name );
								wc_dropdown_variation_attribute_options( array(
									'options'   => $options,
									'attribute' => $attribute_name,
									'product'   => $product,
									'selected'   => $selected
								) );
								echo end( $attribute_keys ) === $attribute_name ? wp_kses_post( apply_filters( 'woocommerce_reset_variations_link', '<a class="reset_variations" href="#">' . esc_html__( 'Clear', 'woocommerce' ) . '</a>' ) ) : '';
							?>
							<?php if($attribute_name === 'pa_mau'){ ?>
							<div data-role="controlgroup" id="controlgroup">
								<?php  
									$variations = $product->get_available_variations();
									foreach ($variations as $variation) {
								?>
						      <a data-role="button" data-val="<?php echo $variation['attributes']['attribute_pa_mau']; ?>" class="select-change"><img src="<?php echo $variation['image']['src']; ?>" alt="Anh san pham"></a>
								<?php
									}
								?>
							</div>
							<?php } ?>
						</td>
					</tr>
				<?php endforeach; ?>
				<tr class="trpaquantity">
					<td>
						<?php
							do_action( 'woocommerce_before_add_to_cart_quantity' );

							woocommerce_quantity_input( array(
								'min_value'   => apply_filters( 'woocommerce_quantity_input_min', $product->get_min_purchase_quantity(), $product ),
								'max_value'   => apply_filters( 'woocommerce_quantity_input_max', $product->get_max_purchase_quantity(), $product ),
								'input_value' => isset( $_POST['quantity'] ) ? wc_stock_amount( wp_unslash( $_POST['quantity'] ) ) : $product->get_min_purchase_quantity(), // WPCS: CSRF ok, input var ok.
							) );

							do_action( 'woocommerce_after_add_to_cart_quantity' );
							?>
					</td>
				</tr>
				<tr>
					<td>
						<?php  
							/**
							 * Hook: woocommerce_single_variation. Used to output the cart button and placeholder for variation data.
							 *
							 * @since 2.4.0
							 * @hooked woocommerce_single_variation - 10 Empty div for variation data.
							 * @hooked woocommerce_single_variation_add_to_cart_button - 20 Qty and cart button.
							 */
							do_action( 'woocommerce_single_variation' );
						?>
					</td>
				</tr>
			</tbody>
		</table>
	<?php endif; ?>
	<?php do_action( 'woocommerce_after_variations_form' ); ?>
</form>

<?php
do_action( 'woocommerce_after_add_to_cart_form' );

```

Một sản phẩm khác

homef.vn/ecovacs-deebot-dn55-ozmo-900-robot-hut-bui-lau-nha-2/

```
<?php
/**
 * Variable product add to cart
 *
 * This template can be overridden by copying it to yourtheme/woocommerce/single-product/add-to-cart/variable.php.
 *
 * HOWEVER, on occasion WooCommerce will need to update template files and you
 * (the theme developer) will need to copy the new files to your theme to
 * maintain compatibility. We try to do this as little as possible, but it does
 * happen. When this occurs the version of the template file will be bumped and
 * the readme will list any important changes.
 *
 * @see https://docs.woocommerce.com/document/template-structure/
 * @package WooCommerce/Templates
 * @version 3.5.5
 */

defined( 'ABSPATH' ) || exit;

global $product;

$attribute_keys  = array_keys( $attributes );
$variations_json = wp_json_encode( $available_variations );
$variations_attr = function_exists( 'wc_esc_json' ) ? wc_esc_json( $variations_json ) : _wp_specialchars( $variations_json, ENT_QUOTES, 'UTF-8', true );

do_action( 'woocommerce_before_add_to_cart_form' ); ?>

<form class="variations_form cart" action="<?php echo esc_url( apply_filters( 'woocommerce_add_to_cart_form_action', $product->get_permalink() ) ); ?>" method="post" enctype='multipart/form-data' data-product_id="<?php echo absint( $product->get_id() ); ?>" data-product_variations="<?php echo $variations_attr; // WPCS: XSS ok. ?>">
	<?php do_action( 'woocommerce_before_variations_form' ); ?>

	<?php if ( empty( $available_variations ) && false !== $available_variations ) : ?>
		<p class="stock out-of-stock"><?php echo esc_html( apply_filters( 'woocommerce_out_of_stock_message', __( 'This product is currently out of stock and unavailable.', 'woocommerce' ) ) ); ?></p>
	<?php else : ?>
		<table class="variations" cellspacing="0">
			<tbody>
				<?php foreach ( $attributes as $attribute_name => $options ) : ?>
					<tr>
						<td class="label"><label for="<?php echo esc_attr( sanitize_title( $attribute_name ) ); ?>"><?php echo wc_attribute_label( $attribute_name ); // WPCS: XSS ok. ?></label></td>
						<td class="value">
							<?php
								wc_dropdown_variation_attribute_options(
									array(
										'options'   => $options,
										'attribute' => $attribute_name,
										'product'   => $product,
									)
								);
								echo end( $attribute_keys ) === $attribute_name ? wp_kses_post( apply_filters( 'woocommerce_reset_variations_link', '<a class="reset_variations" href="#">' . esc_html__( 'Clear', 'woocommerce' ) . '</a>' ) ) : '';
							?>
							<?php if($attribute_name === 'pa_goi-bao-hanh'){ ?>
							<div data-role="controlgroup" id="controlgroup">
								<?php  
									$variations = $product->get_available_variations();
									foreach ($variations as $key => $variation) {
								?>
									<a data-role="button" data-val="<?php echo $variation['attributes']['attribute_pa_goi-bao-hanh']; ?>" class="select-change <?php if($key == 0){echo 'active';} ?>">
										<span><?php echo $variations[$key]['image']['title']; ?></span>
										<samp><?php echo number_format($variations[$key]['display_price'],0, ',', '.'); ?>&nbsp;₫</samp>
									</a>
								<?php
									}
								?>
							</div>
							<?php } ?>
						</td>
					</tr>
				<?php endforeach; ?>
			</tbody>
		</table>

		<div class="single_variation_wrap">
			<?php
				/**
				 * Hook: woocommerce_before_single_variation.
				 */
				do_action( 'woocommerce_before_single_variation' );

				/**
				 * Hook: woocommerce_single_variation. Used to output the cart button and placeholder for variation data.
				 *
				 * @since 2.4.0
				 * @hooked woocommerce_single_variation - 10 Empty div for variation data.
				 * @hooked woocommerce_single_variation_add_to_cart_button - 20 Qty and cart button.
				 */
				do_action( 'woocommerce_single_variation' );

				/**
				 * Hook: woocommerce_after_single_variation.
				 */
				do_action( 'woocommerce_after_single_variation' );
			?>
		</div>
	<?php endif; ?>

	<?php do_action( 'woocommerce_after_variations_form' ); ?>
</form>
<script>
	jQuery(document).ready(function($) {
		jQuery('.select-change').click(function(){ 
    	jQuery('#pa_goi-bao-hanh').val($(this).data('val')).trigger('change');
    	jQuery('.select-change').removeClass('active');
    	jQuery(this).addClass('active');
  	});
	});
</script>
<style>
	.woocommerce-variation-description >p {
		margin-bottom: .5em;
    background-color: #ffe9e9;
    border-radius: 5px;
    padding: 5px 10px;
    line-height: 1.5;
    color: #000;
    font-weight: 600;
    float: left;
    width: 100%;
	}
	#pa_goi-bao-hanh {
		display: none;
	}
	#controlgroup {
		display: flex;
		justify-content: space-between;
	}
	#controlgroup >a {
		text-align: center;
		flex-grow: 1;
		margin-right: 10px;
		display: block;
		box-shadow: 0px 0.5px 1px 0px rgba(0,0,0,.15);
		border: 1px solid rgba(0,0,0,.15);
		background: #ffffff;
    padding: 5px;
	}
	#controlgroup >a.active {
		border: 1px solid #d70018;
	}
	#controlgroup >a:last-child {
		margin-right: 0;
	}
	#controlgroup >a >span{
		display: block;
		font-weight: 700;
	}
	#controlgroup >a >samp {
		display: block;
		font-weight: 700;
		color: #d70018;
	}
</style>
<?php
do_action( 'woocommerce_after_add_to_cart_form' );

```
