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How To Access Template Variables In The Script Section Of My HTML File In Google Apps Script?

- 1 answer

I need to access templated variables in the script section of my HTML file. Specifically, I need to use content.price.

I can access content.price just fine in the templated section of the body of my HTML.

This behaves as expected. 
<div class="container">
  Price: $<?= content.price ?></td>
  <div id="paypal-button-container"></div>
</div>

But in the script section, trying to access content.price seems to be throwing an exception.

This causes the buttons to fail to render. (It fails silently.) 
amount: {
  value: content.price //  '0.01' // Using content.price throws an error
}

What am I doing wrong?

Code.gs 
var template = HtmlService.createTemplateFromFile(HTML_FILENAME);
template.content = values;
var htmlOutput = template.evaluate();
index.html 
<!DOCTYPE html>
  <!-- source: https://developer.paypal.com/docs/checkout/integrate/ -->
  <html>
    <body>
      <div class="container">
        Price: $<?= content.price ?></td>
        <div id="paypal-button-container"></div>
      </div>
      <script
        src="https://www.paypal.com/sdk/js?client-id=SB_CLIENT_ID">
      </script> 
      <script>
        // This function displays Smart Payment Buttons on your web page.
        paypal.Buttons({
          createOrder: function(data, actions) {
            // This function sets up the details of the transaction, including the amount and line item details.
            return actions.order.create({
              purchase_units: [{
                amount: {
                  value: content.price //  '0.01' // Using content.price throws an error
                }
              }]
            });
          },
        }).render('#paypal-button-container');
      </script>
    </body>
  </html>
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Answer

In script section also you'll need to use template tags.

Something like these :

amount: {
  value: <?!= content.price ?>
}
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source: stackoverflow.com
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