binary switches 3
blink method, String object
generating HTML 302
<BODY> tag 377 , 385
adding HTML form to 113
bold method, String object
generating HTML 302
Boolean evaluation
checking that array elements are defined 151
Boolean object 219
Boolean operators 39
Boolean types 20
Boolean values
conversion to 54
true 50
<BR> tag 29
creating a hard return 104
tree example 95
break statements 68 , 72
browsers 262
determining which is running 266
different event models 262
Button object
event handlers 263