Field Values to Upper Case

field_to_upper_case.html

<script>
//Replace #lp-pom-form-17 with your form's ID and 'email' with your field name. 
//To convert field values to lower case, simply replace 'toUpperCase()' with 'toLowerCase()'
//To convert field values to Title Case, simply replace 'toUpperCase()' with 'replace(/\w\S*/g, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();});'
$("#lp-pom-form-17 input[name=email]").val(function () {
    return this.value.toUpperCase();
})
</script>

//To execute the above function on form submit, use @johnnyopao's script like so:

<script type="text/javascript">
  function yourSubmitFunction(e, $) {
    e.preventDefault();
    //CUSTOM CODE HERE
    //Replace #lp-pom-form-17 with your form's ID and 'email' with your field name
$("#lp-pom-form-17 input[name=email]").val(function () {
    return this.value.toUpperCase();
    // If your code is asynchronous, call this final line in your callback instead
    $('.lp-pom-form form').submit();
  }
  lp.jQuery(function($) {
    $('.lp-pom-form .lp-pom-button').unbind('click').bind('click.formSubmit', function(e) {
      if ( $('.lp-pom-form form').valid() ) yourSubmitFunction(e, $);
    });
    $('form').unbind('keypress').bind('keypress.formSubmit', function(e) {
      if(e.which === 13 && e.target.nodeName.toLowerCase() !== 'textarea' && $('.lp-pom-form form').valid() )
        yourSubmitFunction(e, $);
    });
  });
</script>