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<html><body><h2>JavaScript Functions</h2><p>Sum of all arguments:</p><p id="demo"></p><script>function sumAll() { let sum = 0; for(let i = 0; i < arguments.length; i++) { sum += arguments[i]; } return sum;}document.getElementById("demo").innerHTML = sumAll(1, 123, 500, 115, 44, 88);</script></body></html>