How to Install Magento 2 Extension

Step 1:
  1. Connect FTP client
  2. Unzip extension package and upload them into Magento root directory inside /app folder.
  3. Run the following commands.

php bin/magento setup:upgrade


php bin/magento setup:static-content:deploy

Step 2:

After doing above, you need to configure extension in backend. That’s it.

How to remove placeholder on focus


<script type="text/javascript">
jQuery(document).ready(function() {
	jQuery('input,textarea').focus(function(){
   jQuery(this).data('placeholder',jQuery(this).attr('placeholder'))
          .attr('placeholder','');
}).blur(function(){
   jQuery(this).attr('placeholder',jQuery(this).data('placeholder'));
});
});  
</script>