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<html><body><h1>JavaScript Variables</h1><p>A variable without a value has the value of:</p><p id="demo"></p><script>let carName;document.getElementById("demo").innerHTML = carName;</script></body></html><html><body><h1>JavaScript Variables</h1><p>A variable without a value has the value of:</p><p id="demo"></p><script>let carName;document.getElementById("demo").innerHTML = carName;</script></body></html>