console.log("log");
console.info("info");
console.warn("warn");
console.error("error");
"result";
Example
console.log("log");
console.info("info");
console.warn("warn");
console.error("error");
"result";
Example2
'use strict';
function getURL(URL) {
return new Promise(function (resolve, reject) {
var req = new XMLHttpRequest();
req.open('GET', URL, true);
req.onload = function () {
if (req.status == 200) {
resolve(req.response);
} else {
reject(new Error(req.statusText));
}
};
req.onerror = function () {
reject(new Error(req.statusText));
};
req.send();
});
}
// 実行例
var URL = "http://httpbin.org/get";
getURL(URL).then(function onFulfilled(value){
console.log(value);
}).catch(console.error.bind(console));