matt0224 · May 3, 2017 14:20
diff --git a/回呼 b/回呼
 <!DOCTYPE html><html><head>  <meta charset="UTF-8">  <title>JavaScript Exercises</title> <script>


 var Home = { Box: function () {  this.color = 'black';  this.paint = function (value, cb) {     this.color = value;   cb();  } }}
 function Button1_onclick() { var objBox = new Home.Box(); objBox.paint("RoyalBlue", function () {  txt2.value = objBox.color; });}
 </script>
 </html></html></html></html></html></html></html></html></html></html></html></html></html></html>
	<!DOCTYPE html><html><head> <meta charset="UTF-8"> <title>JavaScript Exercises</title> <script>


	var Home = { Box: function () { this.color = 'black'; this.paint = function (value, cb) { this.color = value; cb(); } }}
	function Button1_onclick() { var objBox = new Home.Box(); objBox.paint("RoyalBlue", function () { txt2.value = objBox.color; });}
	</script>
	</html></html></html></html></html></html></html></html></html></html></html></html></html></html>