应用遮罩时，IE 9中的只读属性不起作用

Question

Masked Phone number text field becomes editable even though its applied with readonly property.

How to solve this issue. It happens only in IE9 browser.

 $("#stdphone").attr('readonly', true)

Answer 1

如果可以在IE9中使用，请尝试以下方法：

$("#stdphone").attr('readonly', 'readonly');