JavaScript Tutorial/Development/debug
Use alert dialog as a way to debug
<source lang="javascript">
<html> <head> <title>Debug Example</title> <script type="text/javascript"> function myfunction() {
alert("Entering function."); var iNumber1 = 5; var iNumber2 = 10; alert("Before calculation."); var iResult = iNumber1 + iNumber2; alert("After calculation.");
} myfunction();
</script> </head> <body> </body> </html></source>
Write some messages to the Java console
<source lang="javascript">
<html> <head> <title>Debug Example</title> <script type="text/javascript"> function test_function() {
java.lang.System.out.println("Entering function."); var iNumber1 = 5; var iNumber2 = 10; java.lang.System.out.println("Before calculation."); var iResult = iNumber1 + iNumber2; java.lang.System.out.println("After calculation."); java.lang.System.out.println("Leaving function.");
} test_function();
</script> </head> <body> </body> </html></source>