javascript - How to create a word checker with jquery -

i'm trying develop simple script reads words of string, , compare dictionary .txt or array of correct words.

the format of string this:

<data>     <value>testy</value> </data> <data>     <value>helllo wordi</value> </data> <data>     <value>gren titl</value> </data>  <data>     <value>nanme</value> </data> 

he can apply fix on words have within <value> tag. have me return should same structure words corrected. form.

<data>     <value>test</value> </data> <data>     <value>hello word</value> </data> <data>     <value>green title</value> </data>  <data>     <value>name</value> </data> 

is possible this? if yes how can doing in code? example?

demo code

$('button').click(function () {     var code = $('textarea[name=message]').val();      if ($('#output').length < 1) {         $("body").append('<h2>output</h2><textarea id="output" rows="10" cols="100"></textarea>');     }        $('#output').val(code); }); 

my english bad hope question has been clear , can understood you.

i if have dictionary can use :

$("value").onkeydown(function() {     var testval = $(this).text();     if ($.inarray(testval, yourdictionaryarray) > -1) {         //handle if word in dict     } else {         //handle word not in dict..     } });