<%@ page language= "java" contenttype= "text/html; Charset=utf-8 "
pageencoding= "UTF-8"%>
<! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "HTTP://WWW.W3.ORG/TR/HTML4/LOOSE.DTD" >
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 ">
<title>insert title here</title>
<!--the introduction of ExtJS CSS style files-->
<link rel= "stylesheet" type= "Text/css"
href= "Extjs/resources/css/ext-all.css" >
<script type= "Text/javascript" src= "Extjs/adapter/ext/ext-base.js" ></script>
<script type= "Text/javascript" src= "Extjs/bootstrap.js" ></script>
<script type= "Text/javascript" >
Ext.onready (function () {
Alert ("Started");
Pop up a hint box ext equals namespace
Ext.MessageBox.alert ("AAAAA");
Ext.MessageBox.alert ("title", "Here is content");
JavaScript class
function User (name, sex, age) {
THIS.name = name;
This.sex = sex;
This.age = age;
This.showmsg = function () {
Ext.MessageBox.alert ("Demo JS original object Creation Method", "Create user1 name is = = =
+ this[' name '] + "gender is =====" + this[' sex ']
+ "The age is = = = = = =" + this[' ages ']);
}
}
To create an object of a class
var user1 = new User ("Little Cool", "female", "1");
User1.name user1[' name ']
Ext.MessageBox.alert ("Demo JS original object Creation Method", "Create user1 pair name is = = = = = = = = =" +user1[' name '));
User1.showmsg ();
var user2 = {
Name: "Little Wolf",
Sex: "Male",
Age: "2",
Tostring:function () {
Ext.MessageBox.alert ("Demo JS original object Creation Method", "Create User2 object name is:"
+ this[' name '] + "gender is:" + this[' sex '] + "age is:"
+ this[' age ']);
}
};
User2.tostring ();
Array arrays
var arrs = [1, 2, 3, 4,-3,-4];
Traversing an array-------the old way
/*for (var i=0;i<arrs.length;i++) {
Alert (Arrs[i]);
}
Exclusion with filter value less than 0
for (Var i=0;i<arrs.length;i++) {
if (arrs[i]>0) {
Alert (Arrs[i]);
}
}*/
var newarrs = Ext.Array.filter (Arrs, function (item) {
if (item > 0) {
True or False if you return the array element if it is false, the array element is not preserved
return true;
} else {
Do not process operations
return false;
}
}, this);
Alert (Newarrs.join ("\ n"));
Ext.Array.each (Newarrs, function (item) {
alert (item);
});
});
</script>
<body>
</body>
