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// 假設當前URL為 "https://example.com/?name=John&age=30"const url = new URL(window.location.href); // 或者你可以直接傳入一個URL字符串const name = url.searchParams.get('name'); // "John"const age = url.searchParams.get('age'); // "30"
console.log(name, age);

function getQueryParam(name) {    const regex = new RegExp('[?&]' + name + '=([^&#]*)', 'i');    const results = regex.exec(window.location.href);    return results ? decodeURIComponent(results[1]) : null;}
// 假設當前URL為 "https://example.com/?name=John&age=30"const name = getQueryParam('name'); // "John"const age = getQueryParam('age'); // "30"
console.log(name, age);

function getQueryParams() {    return window.location.search        .substring(1) // 去掉 ?        .split('&') // 按 & 拆分        .reduce((params, param) => {            const [key, value] = param.split('=');            params[decodeURIComponent(key)] = decodeURIComponent(value || '');            return params;        }, {});}
// 假設當前URL為 "https://example.com/?name=John&age=30"const params = getQueryParams();const name = params['name']; // "John"const age = params['age']; // "30"
console.log(name, age);

function getQueryParameter(name) {    const params = new URLSearchParams(location.search);    return params.get(name);}
// 假設當前URL為 "https://example.com/?name=John&age=30"const name = getQueryParameter('name'); // "John"const age = getQueryParameter('age'); // "30"
console.log(name, age);