This article mainly introduces the ANGULARJS filter in the use of detailed, filter is angularjs in the processing of text in a very useful function, the need for friends can refer to the
Filters are used to change the modification data and can be grouped in an expression or by using a pipe character directive. The following is a list of commonly used filters.
lowercase filters
Add a lowercase filter, using an expression for the pipe character. Add a lowercase filter here and print the student's name in lowercase letters.
Enter first name:<input type="text" ng-model="student.firstName">
Enter last name: <input type="text" ng-model="student.lastName"> Name in Upper Case: {{student.fullName() | lowercase}}
Currency filter
A currency filter uses an expression that returns a number by a pipe character. Here, we added a filter that currency uses currency format for printing costs.
Enter Fees: <input type= "text" ng-model= "student.fees" > Fees: {{student.fees | currency}}
Filter filter
To display only the topics that you want, we use subjectname as a filter.
Enter Subject: <input type= "text" ng-model= "Subjectname" > Subject: <ul> <li ng-repeat= "subject in student . Subjects | Filter:subjectname ' > {subject.name + ', Marks: ' + subject.marks}} </li> </ul>
Sorting filters
To sort topics by tag, we use the order by sign.
| Subject: <ul> <li ng-repeat= "Subject in Student.subjects | By: ' Marks ' > {subject.name + ', Marks: ' + subject.marks}} </li> </ul> |
Example
The following example shows all of the above filters.
Testangularjs.html
<html> <head> <title>Angular JS Filters</title> </head> <body> <h2>AngularJS Sample Application</h2> <div ng-app="" ng-controller="studentController"> <table border="0"> <tr><td>Enter first name:</td><td><input type="text" ng-model="student.firstName"></td></tr> <tr><td>Enter last name: </td><td><input type="text" ng-model="student.lastName"></td></tr> <tr><td>Enter fees: </td><td><input type="text" ng-model="student.fees"></td></tr> <tr><td>Enter subject: </td><td><input type="text" ng-model="subjectName"></td></tr> </table> <br/> <table border="0"> <tr><td>Name in Upper Case: </td><td>{{student.fullName() | uppercase}}</td></tr> <tr><td>Name in Lower Case: </td><td>{{student.fullName() | lowercase}}</td></tr> <tr><td>fees: </td><td>{{student.fees | currency}}</td></tr> <tr><td>Subject:</td><td> <ul> <li ng-repeat="subject in student.subjects | filter: subjectName |orderBy:'marks'"> {{ subject.name + ', marks:' + subject.marks }} </li> </ul> </td></tr> </table> </div> <script> function studentController($scope) { $scope.student = { firstName: "Mahesh", lastName: "Parashar", fees:500, subjects:[ {name:'Physics',marks:70}, {name:'Chemistry',marks:80}, {name:'Math',marks:65} ], fullName: function() { var studentObject; studentObject = $scope.student; return studentObject.firstName + " " + studentObject.lastName; } }; } </script> <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.15/angular.min.js"></script> </body> </html>
Output
Open textangularjs.html in your Web browser and see the following results:
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
