Function submitChat

togetherjs/ui.js:232–240

()

    });

    function submitChat() {
      var val = input.val();
      if ($.trim(val)) {
        input.val("");
        // triggering the event manually to avoid the addition of newline character to the textarea:
        input.trigger("input").trigger("propertychange");
        chat.submit(val);
      }
    }
    // auto-resize textarea:
    input.on("input propertychange", function () {
      var $this = $(this);