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<!DOCTYPE html> <html> <body> <h2>JavaScript Math.sign()</h2> <p>Math.sign(x) returns if x is negative, null or positive:</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = Math.sign(4); </script> </body> </html>
JavaScript Math.sign()
Math.sign(x) returns if x is negative, null or positive: