Write a script that tests whether the examples of the Math method calls shown in Fig. 18.1 actually produce the indicated results.

What will be an ideal response?

```
1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
2 
3
4 <HTML>
5
6 <HEAD>
7 <TITLE>Solution: 18.2</TITLE>
8
9 <SCRIPT LANGUAGE = "JavaScript">
10 document.writeln( "Math.abs( 23.7 ) = " + Math.abs( 23.7 ) );
11 document.writeln( " Math.abs( 0.0 ) = " + Math.abs( 0.0 ) );
12 document.writeln( " Math.abs( -23.7 ) = " + Math.abs( -23.7 ) );
13 document.writeln( " Math.ceil( 9.2 ) = " + Math.ceil( 9.2 ) );
14 document.writeln( " Math.ceil( -9.8 ) = " + Math.ceil( -9.8 ) );
15 document.writeln( " Math.cos( 0.0 ) = " + Math.cos( 0.0 ) );
16 document.writeln( " Math.exp( 1.0 ) = " + Math.exp( 1.0 ) );
17 document.writeln( " Math.exp( 2.0 ) = " + Math.exp( 2.0 ) );
18 document.writeln( " Math.floor( 9.2 ) = " + Math.floor( 9.2 ) );
19 document.writeln( " Math.floor( -9.8 ) = " + Math.floor( -9.8 ) );
20 document.writeln( " Math.log( 2.718282 ) = " + Math.log( 2.718282 ) );
21 document.writeln( " Math.log( 7.389056 ) = " + Math.log( 7.389056 ) );
22 document.writeln( " Math.max( 2.3, 12.7 ) = " + Math.max( 2.3, 12.7 ) );
23 document.writeln( " Math.max( -2.3, -12.7 ) = " + Math.max( -2.3, -12.7 ) );
24 document.writeln( " Math.min( 2.3, 12.7 ) = " + Math.min( 2.3, 12.7 ) );
25 document.writeln( " Math.min( -2.3, -12.7 ) = " + Math.min( -2.3, -12.7 ) );
26 document.writeln( " Math.pow( 2, 7 ) = " + Math.pow( 2, 7 ) );
27 document.writeln( " Math.pow( 9, .5 ) = " + Math.pow( 9, .5 ) );
28 document.writeln( " Math.round( 9.75 ) = " + Math.round( 9.75 ) );
29 document.writeln( " Math.round( 9.25 ) = " + Math.round( 9.25 ) );
30 document.writeln( " Math.sin( 0.0 ) = " + Math.sin( 0.0 ) );
31 document.writeln( " Math.sqrt( 900.0 ) = " + Math.sqrt( 900.0 ) );
32 document.writeln( " Math.sqrt( 9.0 ) = " + Math.sqrt( 9.0 ) );
33 document.writeln( " Math.tan( 0.0 ) = " + Math.tan( 0.0 ) );
34 </SCRIPT>
35 </HEAD>
36
37 <BODY>
38 </BODY>
39 </HTML>
```

Computer Science & Information Technology

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