----- 016-Math.html -----javascript
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5 <title>Math</title> 6 </head> 7 <body> 8 <script type="text/javascript"> 9 document.write("E= " + Math.E + "<br/>"); 10 document.write("PI= " + Math.PI + "<br/>"); 11 document.write("LN2= " + Math.LN2 + "<br/>"); 12 document.write("LN10= " + Math.LN10 + "<br/>"); 13 document.write("LOG2E= " + Math.LOG2E + "<br/>"); 14 document.write("LOG10E= " + Math.LOG10E + "<br/>"); 15 document.write("SQRT1_2= " + Math.SQRT1_2 + "<br/>"); 16 document.write("SQRT2= " + Math.SQRT2 + "<br/>"); 17 18 document.write("Math.floor(5.5)= " + Math.floor(5.5) + "<br/>"); 19 document.write("Math.round(5.5)= " + Math.round(5.5) + "<br/>"); 20 document.write("Math.ceil(5.5)= " + Math.ceil(5.5) + "<br/>"); 21 document.write("Math.abs(-5.555)= " + Math.abs(-5.555) + "<br/>"); 22 document.write("Math.exp(2)= " + Math.exp(2) + "<br/>"); 23 document.write("Math.max(5, 10)= " + Math.max(5, 10) + "<br/>"); 24 document.write("Math.pow(2, 10)= " + Math.pow(2, 10) + "<br/>"); 25 document.write("Math.random()= " + Math.random() + "<br/>"); 26 document.write("Math.sqrt(2)= " + Math.sqrt(2) + "<br/>"); 27 </script> 28 </body> 29 </html>