Product view back button

Question

I'm using magento 2.3, may i ask how can i made a back button on product view page. Beacuse i tried this code but not working in the product view page. Anyone can help? thank you!!

<a class="action back" href="<?php echo $block->escapeUrl($block->getBackUrl()) ?>"><?= __('Back') ?></a>

Answer 1

Use this

<a class="action back" href="javascript:history.back()"><?= __('Back') ?></a>