javascript - Use json_encode() with a foreach loop -

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i have following code allows me echo product categories in wordpress withing select box:

 $arguments = array(             'number'     => $number,             'orderby'    => $orderby,             'order'      => $order,             'hide_empty' => $hide_empty,             'include'    => $ids  );   $product_cats = get_terms( 'product_cat', $arguments );   foreach ( $product_cats $cat ) :   echo '<option value="' . $cat->term_id . '">' . $cat->name . '</option>';  endforeach;

i trying use returned values foreach loop within json_encode() can use categories in javascript code.

but cannot figure out way it, can provide guidance?

if use

<?php echo json_encode($product_cats); ?>

it not work

try in javascript tag;

<script type="text/javascript">     var mycatjson = json.parse('<?php echo json_encode($product_cats); ?>'); </script>

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