Promise

SimplyWenjing · Aug 9, 2016 · 45b7209 · 45b7209
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diff --git a/Code/Person.js → es6/Person.js b/Code/Person.js → es6/Person.js
diff --git a/Code/for-of.js → es6/for-of.js b/Code/for-of.js → es6/for-of.js
diff --git a/Code/generator.js → es6/generator.js b/Code/generator.js → es6/generator.js
diff --git a/Code/iterator.js → es6/iterator.js b/Code/iterator.js → es6/iterator.js
diff --git a/Code/main.js → es6/main.js b/Code/main.js → es6/main.js
diff --git a/Code/promise.js → es6/promise.js b/Code/promise.js → es6/promise.js
diff --git a/es6/promise/data.json b/es6/promise/data.json
@@ -0,0 +1,3 @@
+{
+	"value":"hello"
+}
diff --git a/es6/promise/promise.js b/es6/promise/promise.js
@@ -0,0 +1,38 @@
+function timeout (ms) {
+	return new Promise ((resolve,reject) => {
+		setTimeout(resolve,ms,'done');
+	});
+}
+
+timeout(100).then ((value) => {
+	console.log(value);
+});
+
+//用Promise实现Ajax
+
+var getJSON = function (url) {
+	var promise = new Promise (function (resolve,reject){
+		var xhr = new XMLHttpRequest();
+		xhr.onreadystatechange = handler;
+		xhr.open("GET",url);
+		// xhr.responseType = 'json';
+		// xhr.setRequestHeader("Accept","application/json");
+		xhr.send();
+		function handler () {
+			if (this.readyState == 4) {
+				if (this.status >= 200 && this.status < 300 || this.status == 304) {
+					resolve(this.responseText);
+				} else {
+					reject(new Error (this.statusText));
+				}
+			}
+		};;
+	});
+	return promise;
+};
+
+getJSON("../../../es6/es6/promise/data.json").then(function (json) {
+	console.log("sucess:" + json);
+},function (error) {
+	console.log("error:" + error);
+});
diff --git a/Code/set&map.js → es6/set&map.js b/Code/set&map.js → es6/set&map.js