jQuery, ajax request doesn't success with JSON on IE
$.ajax({
        url: 'js/jquery.desobbcode.json',
        dataType: 'json',
        cache: false,
        success: function(json) {
            alert('ok');
        },
        error: function(xhr, errorString, exception) {
            alert("xhr.status="+xhr.status+" error="+errorString+" exception="+exception);
        }
    });

xhr.status=200
error=parsererror
exception=SyntaxError Unterminated string constant

$.ajax({
    url: 'js/jquery.desobbcode.json',
    dataType: 'json',
    contentType: "application/json; charset=utf-8",
    ...
});

$.ajax({
    url: 'js/jquery.desobbcode.json',
    dataType: 'json',
    contentType: "application/json; charset=utf-8",
    data: {}
    ...
});

{"inputButton":[{"id":"desoBBCode_bold","value":"Gras","tag":"b"},{"id":"desoBBCode_italic","value":"Italique","tag":"i"},{"id":"desoBBCode_underline","value":"Souligné","tag":"u"},{"id":"desoBBCode_image","value":"Image","tag":"img"},{"id":"desoBBCode_link","value":"Lien","tag":"url"},{"id":"desoBBCode_quote","value":"Citation","tag":"quote"}],"selectTextSize":[{"text":"Taille","value":""},{"text":"Trèstrèspetit","value":"1"},{"text":"Trèspetit","value":"2"},{"text":"Petit","value":"3"},{"text":"Gros","value":"4"},{"text":"Trèsgros","value":"5"},{"text":"Trèstrèsgros","value":"6"}],"selectTextColor":[{"text":"Couleur","value":"a"},{"text":"Rouge","value":"red"},{"text":"Bleu","value":"blue"},{"text":"Vert","value":"green"}]}