console.log(_GET("appid"));
在fucn _GET中,我需要检查参数是否存在,如果存在则返回它。
function _GET(paramName) {
var hash = window.location.hash; // #appid=1&device&people=
//this needs to be not static
if (/appid=+\w/.test(window.location.hash)) {
//and somehow parse it and return;
}
return false;
}
我希望在控制台中看到1,如果我console.log(_GET(“ device”))或其他人,则为null
您需要使用String.match并传入RegExp对象:
function _GET(paramName) {
var pattern = paramName + "=+\w";
return (window.location.hash.match(new RegExp(pattern, 'gi'))) != null;
}
import params from './url-hash-params.mjs';
// example.com/#city=Foo&country=Bar
const { city, country } = parms;
url-hash-params.mjs
export default (function() {
const params = new Map();
window.addEventListener('hashchange', updateParams);
updateParams();
function updateParams(e) {
params.clear();
const arry = window.location.hash.substr(1).split('&').forEach(param => {
const [key, val] = param.split('=').map(s => s.trim());
params.set(key, val);
});
}
return new Proxy(params, {
get: (o, key) => o.get(key)
});
})();
function _GET(paramName) {
var hash = window.location.hash.match(new RegExp("appid=+\w", 'gi')); // #appid=1&device&people=
//this needs to be not static
if (hash) {
//and somehow parse it and return;
}
return false;
}