html怎样可是使文本框内容不可修改
<
input
type
=
"text"
readonly
=
"readonly"
onfocus
=
"alert('我还有焦点事件!');"
/>
<
input
type
=
"text"
disabled
=
"disabled"
onfocus
=
"alert('看看还有没有焦点事件?');"
/>