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<!DOCTYPE html> <html> <body> <h1>JavaScript Booléens</h1> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = "100 is " + Boolean(100) + "<br>" + "3.14 is " + Boolean(3.14) + "<br>" + "-15 is " + Boolean(-15) + "<br>" + '"Hello" is ' + Boolean("Hello") + "<br>" + "'false' is " + Boolean('false') + "<br>" + "(1 + 7 + 3.14) est " + Boolean(1 + 7 + 3.14); </script> </body> </html>