Add a examples

examples/handleevent.js

@@ -0,0 +1,40 @@
+(function(global) {
+  'use strict';
+
+  var XMLHttpRequest = require('../lib/xmlhttprequest');
+
+  var obj = {
+    name: 'XMLHttpRequest...',
+    handleEvent: function(event) {
+      var client = event.target;
+      var response = client.response;
+      console.log('==== %s ====', this.name);
+      console.log('%s %s', client.status, client.statusText);
+      console.log(client.getAllResponseHeaders());
+      console.log(response.split('\n').slice(0, 3).join('\n'));
+      console.log('...');
+    }
+  };
+
+  function request(uri) {
+    var client;
+    if (!uri) {
+      throw new TypeError('URI is required for the argument.');
+    }
+    client = new XMLHttpRequest();
+    client.open('GET', uri);
+    client.responseType = 'text';
+    client.addEventListener('load', obj, false);
+    client.send(null);
+  }
+
+  function main(argv) {
+    try {
+      request.apply(this, argv.slice(2));
+    } catch (error) {
+      console.error(error.message);
+    }
+  }
+
+  main(process.argv);
+})(this);

examples/responsetype-json.js

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+(function(global) {
+  'use strict';
+
+  var XMLHttpRequest = require('../lib/xmlhttprequest');
+
+  var API_URI = 'http://registry.npmjs.org/w3c-xmlhttprequest';
+
+  function request(searchKeyword) {
+    var client = new XMLHttpRequest();
+    client.open('GET', API_URI);
+    client.responseType = 'json';
+    client.addEventListener('load', function(event) {
+      var response = client.response;
+      var result = JSON.stringify(response, null, '  ');
+      console.log(result);
+    });
+    client.send(null);
+  }
+
+  function main(argv) {
+    request.apply(this, argv.slice(2));
+  }
+
+  main(process.argv);
+})(this);