CodePen

HTML

            
              
            
          
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CSS

            
              
            
          
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JavaScript

            
              var myRef = window.Handlebars;
console.log(myRef.compile("{{test}}")({test:"works!"}));  
window.Handlebars = undefined;
console.log(myRef.compile("{{test}}")({test:"wont"}));  
  

            
          
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