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' Math.abs(x) restituisce il valore assoluto (positivo) di x:
https://www.w3schools.com/js/tryit.asp?filename=tryjs_math_abs <!DOCTYPE html> <html> <body> <h2>JavaScript Math.abs()</h2> <p>Math.abs(x) returns the absolute (positive) value of x:</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = Math.abs(-4.4); </script> </body> </html> |