Script to capitalize all words in all text input fields before the form is submitted. The supporter doesn't get to approve the changes -- they just happen.

capitalize_inputs.html

<script>
// Submit handler to capitalize all of the text input fields in a form.Each
// word in each field is translated so that the first character
// is upper case and the remainder are lower case.

$(document).ready(function () {
    var DO_NOT_MODIFY = "Email".split(',');

    // Capitalize the first letter of a string.
    // @return [String]  returns the capitalized string
    String.prototype.capitalizeFirstLetter = function() {
        return this.charAt(0).toUpperCase() + this.slice(1).toLowerCase();
    }

    // Function to capitalize words in a string. This function capitalizes each
    // word in a string, where a word is delimited by spaces.
    // @return [String]  returns the capitalized string
    //
    String.prototype.capitalizeWords = function() {
        return this.split(' ')
            .map(function(word) {
                return word.capitalizeFirstLetter()
            })
            .join(' ');
    }

    // Function to uppercase the contents of each of the text inputs in
    // a document *except* Email.
    // @return  [Boolean]  always returns true
    function capitalizeTextInputs() {
        var list = document.getElementsByTagName('input');
        for (var i = 0; i < list.length; i++) {
            if (DO_NOT_MODIFY.indexOf(list[i].name) == -1 && list[i].type == 'text') {
                list[i].value = list[i].value.capitalizeWords();
            }
        }
        return true;
    }

    $('.salsa form').click(capitalizeTextInputs);
})
</script>