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显示结果
<html> <head> <title>JavaScript Math log() Method</title> </head> <body> <script type = "text/javascript"> var value = Math.log(10); document.write("First Test Value : " + value ); var value = Math.log(0); document.write("<br />Second Test Value : " + value ); var value = Math.log(-1); document.write("<br />Third Test Value : " + value ); var value = Math.log(100); document.write("<br />Fourth Test Value : " + value ); </script> </body> </html>
