File size: 298 Bytes
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<iframe
id="my-iframe"
frameborder="0"
width="850"
height="450"
></iframe>
<script>
var envVar = process.env.ENV_VAR; // get the value of the environment variable
var iframe = document.getElementById("my-iframe");
iframe.src = envVar; // set the src attribute of the iframe tag
</script> |