js 父窗体给子窗体赋值

// 父窗体
const childWindow = window.open('child.html?id=123&name=John');

// 子窗体 (child.html)
window.onload = function() {
    const urlParams = new URLSearchParams(window.location.search);
    const id = urlParams.get('id');
    const name = urlParams.get('name');
    console.log(`ID: ${id}, Name: ${name}`);
};

// 父窗体
const childWindow = window.open('child.html');
childWindow.onload = function() {
    childWindow.postMessage({ id: 123, name: 'John' }, '*');
};

// 子窗体 (child.html)
window.addEventListener('message', function(event) {
    if (event.origin !== 'http://example.com') return; // 安全检查
    console.log('Received data:', event.data);
});

// 父窗体
const childWindow = window.open('child.html');
childWindow.myData = { id: 123, name: 'John' };

// 子窗体 (child.html)
console.log(window.myData); // { id: 123, name: 'John' }