logo crop_rotate Run
​x
 
1
<!DOCTYPE html>
2
<html>
3
<body>
4
​
5
<p> Unary Operators </p>
6
​
7
<script>
8
let x = true;  /*  true =  1 */
9
let y = +x;
10
document.write("<b>" + typeof(x) +"<b><br>");
11
document.write("<b>" + y +"<b><br>");
12
document.write("<b>" + typeof(y) +"<b><br>");
13
</script>
14
​
15
</body>
16
</html>
PCFET0NUWVBFIGh0bWw+DQo8aHRtbD4NCjxib2R5Pg0KDQo8cD4gVW5hcnkgT3BlcmF0b3JzIDwvcD4NCg0KPHNjcmlwdD4NCmxldCB4ID0gdHJ1ZTsgIC8qICB0cnVlID0gIDEgKi8NCmxldCB5ID0gK3g7DQpkb2N1bWVudC53cml0ZSgiPGI+IiArIHR5cGVvZih4KSArIjxiPjxicj4iKTsNCmRvY3VtZW50LndyaXRlKCI8Yj4iICsgeSArIjxiPjxicj4iKTsNCmRvY3VtZW50LndyaXRlKCI8Yj4iICsgdHlwZW9mKHkpICsiPGI+PGJyPiIpOw0KPC9zY3JpcHQ+DQoNCjwvYm9keT4NCjwvaHRtbD4=