sd-webui-controlnet/javascript/hints.js

(function () {
    // mouseover tooltips for various UI elements
    const titles = {
        '🔄': 'Refresh',
        '\u2934': 'Send dimensions to stable diffusion',
        '💥': 'Run preprocessor',
        '📝': 'Open new canvas',
        '📷': 'Enable webcam',
        '⇄': 'Mirror webcam',
    };

    onUiUpdate(function () {
        gradioApp().querySelectorAll('.cnet-toolbutton').forEach(function (button) {
            const tooltip = titles[button.textContent];
            if (tooltip) {
                button.title = tooltip;
            }
        })
    });
})();