elements = [
"grid",
"grid_updater",
"step_updater",
"columns_slider",
"viewof W_button",
"viewof input_color",
"viewof scale_by_similarity_toggle_button",
"viewof color_picker_button",
"viewof color_picker",
"features_checkbox",
"viewof highlight_bmu_toggle_button",
"viewof show_distances_toggle_button",
"viewof show_range_toggle_button",
"range_slider",
"viewof show_updated_weights_toggle_button",
"learning_rate_slider",
"viewof next_step_button",
"viewof weights_button"
]