Math.sign

by andyjmeyers

HTML

<div id='test1'></div>
<div id='test2'></div>
<div id='test3'></div>
<div id='test4'></div>
<div id='test5'></div>

JavaScript

document.getElementById('test1').innerHTML = 'Math.sign(-27) == ' + Math.sign(-27);

document.getElementById('test2').innerHTML = 'Math.sign(27) == ' + Math.sign(27);

document.getElementById('test3').innerHTML = 'Math.sign(0) == ' + Math.sign(0);

document.getElementById('test4').innerHTML = 'Math.sign("27") == ' + Math.sign("27");

document.getElementById('test5').innerHTML = 'Math.sign("abc") == ' + Math.sign("abc");