Javascript: Set readonly property for input

This article is mainly about the JavaScript for the input set readonly properties of the sample code is introduced. Need friends can come to the reference, I hope to help you

1, JS <input> set readonly properties <textarea name= "content" id= "content" cols= "" rows= "6" ></textarea>         var cobj = document.getElementById ("content");     Cobj.setattribute ("ReadOnly", ' true ');      2, js remove <input>readonly attribute var cobj = document.getElementById ("content");   Cobj.removeattribute ("readOnly"); Note: Be sure to note the ReadOnly case!!!