Expressions are used to bind application data to html. Expressions
are written inside double braces like {{ expression}}. Expressions
behaves in same way as ng-bind directives. AngularJS application
expressions are pure javascript expressions and outputs the data where
they are used.
testAngularJS.htm
Using numbers
<p>Expense on Books : {{cost * quantity}} Rs</p>
Using strings
<p>Hello {{student.firstname + " " + student.lastname}}!</p>
Using object
<p>Roll No: {{student.rollno}}</p>
Using array
<p>Marks(Math): {{marks[3]}}</p>
Example
Following example will showcase all the above mentioned expressions.testAngularJS.htm
<html> <head> <title>AngularJS Expressions</title> </head> <body> <h1>Sample Application</h1> <div ng-app = "" ng-init = "quantity = 1;cost = 30; student = {firstname:'Mahesh',lastname:'Parashar',rollno:101};marks = [80,90,75,73,60]"> <p>Hello {{student.firstname + " " + student.lastname}}!</p> <p>Expense on Books : {{cost * quantity}} Rs</p> <p>Roll No: {{student.rollno}}</p> <p>Marks(Math): {{marks[3]}}</p> </div> <script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script> </body> </html>
thank you for nice information.
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