javascript - TinyMCE Editor doesn't update the hidden field in IE11 -

i using tinymce html editor cms.

this has been working fine , form submits correct data should in chrome. displays correctly in ie 11. if submit form ie11 however, browser doesn't post data form.

checking source code, hidden field doesn't filled out new data entered textbox. couldn't find information on this, , happening on multiple computers.

does know enough tinymce know issue be?

for don't know it:

tinymce, known tiny moxiecode content editor, platform-independent web-based javascript/html wysiwyg editor control, released open source software under lgpl moxiecode systems ab. has ability convert html textarea fields or other html elements editor instances. offers html formatting tools, bold, italic, underline, both ordered , unordered lists, different types of alignments, in-line placement of images , videos, etc. highly useful want allow users edit html documents online. different options can configured @ time of integration project, improves flexibility of project.

it works replacing textarea field iframe gives number of html editing controls user, , places data hidden text field allows data submitted.

i have manged "fix" ie11 compatibility issue downgrading tinymce 3.