document getElementById value and document getElementById checked not working for IE

Question

I tried to assign a new value into the hidden input and checkbox of an input form  It s working fine in Firefox but not in IE  I m using IE 7   Does anyone know what is wrong with my code   HTML    lt input type  hidden  id  msg  name  msg  value    style  display none   gt   lt input type  checkbox  name  sp  value  100  id  sp 100  gt    Javascript   var Msg  abc   document getElementById  msg   value   Msg  document getElementById  sp 100   checked   true

User · Answer

The code you pasted should work    There must be something else we are not seeing here   Check this out  Working for me fine on IE7  When you submit you will see the variable passed in the URL

User · Answer

Have a look at jQuery  a cross-browser library that will make your life a lot easier   var msg    abc       msg   val msg       sp 100   attr  checked    checked

User · Answer

Jin Yong - IE has an issue with polluting the global scope with object references to any DOM elements with a  name  or  id  attribute set on the  initial  page load   Thus you may have issues due to your variable name   Try this and see if it works   var someOtherName  abc                     document getElementById  msg   value   someOtherName  document getElementById  sp 100   checked   true    There is a chance  in your original code  that IE attempts to set the value of the input to a reference to that actual element  ignores the error  but leaves you with no new value   Keep in mind that in IE6 IE7 case doesn t matter for naming objects  IE believes that  foo   Foo  and  FOO  are all the same object

User · Answer

For non-grouped elements  name and id should be same  In this case you gave name as  sp  and id as  sp 100   Don t do that  do it like this   HTML    lt input type  hidden  id  msg  name  msg  value    style  display none   gt   lt input type  checkbox  name  sp  value  100  id  sp  gt    Javascript   var Msg  abc   document getElementById  msg   value   Msg  document getElementById  sp   checked   true    For more details  please visit   http   www impressivewebs com avoiding-problems-with-javascript-getelementbyid-method-in-internet-explorer-7

[javascript] document.getElementById().value and document.getElementById().checked not working for IE

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