使用readonly属性让失效文字更易阅读
ado
已经厌倦了眯着眼睛看灰色文字？Readonly可以为你提供一种更好的解决方案
现在我发现自己变老的确切信号不是周身不适，而是要理解Web页面中输入框或文本区域中失效文字（disabled text）所表达意思已经变得越来越困难。对于像我这样怀念古老的Windows 2000的老家伙来说，那些灰色的文字似乎已经有同背景融为一体的趋势。
幸好，还有比做眼部激光外科手术更为廉价的解决方案，即使用名为readonly的属性。该属性将按照同正常文本相同的对比度来显示失效文字，同时仍然保持文字“远观而不可亵玩焉”的失效特性。这成为了平衡二者的最佳方式。
列表A显示了如何使用这一属性的示例，列表B则显示了实际中的情况。总之，这绝对是比拜访眼科医生更为廉价的选择。
列表A：
br/>
'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'>
cellpadding="0px">
align="left">Normal:
align="left">Disabled:
Only:
id="txtNormal"
name="txtNormal" size="10"
value="xyzzy" />
id="txtDisabled" name="txtDisabled"
size="10" value="xyzzy"
disabled="disabled" />
id="txtReadOnly" name="txtReadOnly"
size="10" value="xyzzy"
readonly="readonly" />
rows="4" cols="30">Always
do right. This will gratify
some people and astonish the
rest. - Mark
Twain
rows="4" cols="30"
disabled="disabled"
readonly="readonly">Always do
right. This will gratify some
people and astonish the rest. -
Mark Twain
rows="4" cols="30"
readonly="readonly">Always do
right. This will gratify some
people and astonish the rest. -
Mark Twain
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