VALUE="Delete Item from Cart">

Figure 16 12 Submit buttons with user defined labels.

ONCLICK, ONDBLCLICK, ONFOCUS, and ONBLUR

These nonstandard attributes are used by JavaScript capable browsers 

to associate JavaScript code with the button. The 

ONCLICK

 and 

ONDBL 

CLICK

 code is executed when the button is pressed, the 

ONFOCUS

 code 

when the button gets the input focus, and the 

ONBLUR

 code when the 

button loses the focus. If the code attached to a button returns 

false

, 

the submission of the form is suppressed. HTML attributes are not case 

sensitive, and these attributes are traditionally called 

onClick

, 

onD 

blClick

, 

onFocus

, and 

onBlur

 by JavaScript programmers.

HTML Element:

HTML Markup

Attributes:

NAME

, 

VALUE

, 

ONCLICK

,

 ONDBLCLICK

, 

ONFOCUS

, 

ONBLUR

This alternative way of creating submit buttons, supported only by Internet

Explorer, lets you use arbitrary HTML markup for the content of the button.

This element lets you to have multiline button labels, button labels with font

changes, image buttons, and so forth. Listing 16.4 gives a few examples, with

results shown in Figure 16 13.

NAME, VALUE, ONCLICK, ONDBLCLICK, ONFOCUS, and 

ONBLUR

These attributes are used in the same way as with 

. 

Second edition of this book: www.coreservlets.com; Sequel: www.moreservlets.com.

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