Javascript code (such as name and age) sorted by a certain attribute of an object _ javascript skills

Instances are arranged in descending order. If you want to change to ascending order, you only need to change the value2-value1 in the comparator to value1-value2. The Code is as follows:

// Define an object Array
Var data = [{name: "jiang", age: 22}, {name: "AAAAAAAAAAAAAA", age: 21}, {name: "CCCCCCCCc", age: 25}];
// Define a comparator
Function compare (propertyName ){
Return function (object1, object2 ){
Var value1 = object1 [propertyName];
Var value2 = object2 [propertyName];
If (value2 <value1 ){
Return-1;
}
Else if (value2> value1 ){
Return 1;
}
Else {
Return 0;
}
}
}
// Usage
Data. sort (compare ("name "));
Alert (data [0]. name); // jiang
// Usage
Data. sort (compare ("age "));
Alert (data [0]. age); // 25 s