const getURLParameters = (url=location.href) =>
 (url.match(/([^?=&]+)(=([^&]*))/g) || []).reduce(
	(a, v) => ((a[v.slice(0, v.indexOf('='))] = v.slice(v.indexOf('=') + 1)), a),
	{}
 );
console.log(getURLParameters()); //不传参数默认获取当前地址
console.log(getURLParameters('https://www.baidu.com/s?wd=s&rsv_spt=1&rsv_sug4=4')); //{wd:'s', rsv_spt:'1', rsv_sug4:'4'}

const httpGet = (url, callback, err = console.error) => {
 const request = new XMLHttpRequest();
 request.open('GET', url, true);
 request.onload = () => callback(request.responseText);
 request.onerror = () => err(request);
 request.send();
};

const httpPost = (url, data, callback, err = console.error) => {
 const request = new XMLHttpRequest();
 request.open('POST', url, true);
 request.setRequestHeader('Content-type', 'application/json; charset=utf-8');
 request.onload = () => callback(request.responseText);
 request.onerror = () => err(request);
 request.send(data);
};

const isBrowser = () => ![typeof window, typeof document].includes('undefined');

const randomHexColorCode = () => {
 let n = (Math.random() * 0xfffff * 1000000).toString(16);
 return '#' + n.slice(0, 6);
};

const toCurrency = (n, curr, LanguageFormat = undefined) =>
 Intl.NumberFormat(LanguageFormat, { style: 'currency', currency: curr }).format(n);
console.log(toCurrency(123656.789, 'CNY')); //123,656円.79
console.log(toCurrency(123656.789, 'USD','en-us')); //123,656ドル.79