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code, the confirm box returns a boolean with a value of true or false. This would be used
within your JavaScript to call another action.
< h t m l >
< h e a d >
< t i t l e > W e l c o m e < / t i t l e >
< / h e a d >
< s c r i p t >
< ! - - / / H i d e
f u n c t i o n c h k V a l u e ( ) {
v a r c h k T e s t = c o n f i r m ( “ I s 9 5 g r e a t e r t h a n 5 ? ” ) ;
i f ( c h k T e s t = = t r u e ) {
a l e r t ( “ T h a t i s c o r r e c t . ” ) ;
} e l s e {
a l e r t ( “ S o r r y , y o u ’ r e w r o n g . ” ) ;
}
}
/ / U n h i d e
- - >
< / s c r i p t >
< b o d y o n L o a d = ” c h k V a l u e ( ) ” >
H e l l o
< / b o d y >
< / h t m l >
These three elements can also be used within links, for example, if you were to have a page
with the following HTML / JavaScript code:
< a h r e f = " # " o n C l i c k = " a l e r t ( ' D o i t a g a i n ! ' ) ; " > C l i c k o n m e ! < / a >
Would output the following:
Mouse Over Events
event is one of the most commonly used JavaScript functions on the
The o n M o u s e O v e r
Web. It can be used within many HTML tags, with the most common being the < a > tag.
For example, consider the following HTML code that changes the window’s status bar each
time a link is moused over:
<a h r e f = " h o m e . h t m " o n M o u s e O v e r = " j a v a s c r i p t :
w i n d o w . s t a t u s = ' G o t o O u r H o m e P a g e ' ; r e t u r n t r u e "
LoudOffice.com Guide to HTML – Part II Page 28