# Introduction
An iOS modern bridge for sending messages between Objective-C and JavaScript in WKWebView. You can use in H5 and iOS. The bridge api like below:
sy.system.showModal({
title: 'SYWebViewBridge',
content: 'An iOS modern bridge for sending messages between Objective-C and JavaScript in WKWebView.',
showCancel: true,
cancelText: 'Cancel',
confirmText: 'OK',
// success
success: function(res) {
if (res.confirm) {
// user click OK button
}
else {
// user click Cancel button
}
}
});