Conditional Execution

file.html

<script>
       // Lets think template_variable is a django template variable
       var is_condtion = {% if template_variable %}true{% else %}false{% endif %};
       
       if (is_condtion == false)
       {
         alert("Execute this code if is_condition is true");
         // For example 
         <div> Hello How are you </div>
       }
       
       else
       {
         alert("Execute this code if is_condition is false");
         $("#divTest").html("Hello World");
       }
</script>