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AngularJS Basic ng repeat Simple Example

  • 2021-07-07 06:30:30
  • OfStack

AngularJS ng-repeat Directive

AngularJS instance

Loop out multiple titles: 


<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>
<body ng-app="myApp" ng-controller="myCtrl">

<h1 ng-repeat="x in records">{{x}}</h1>

<script>
var app = angular.module("myApp", []);
app.controller("myCtrl", function($scope) {
 $scope.records = [
 " Rookie tutorial 1",
 " Rookie tutorial 2",
 " Rookie tutorial 3",
 " Rookie tutorial 4",
 ]
});
</script>

</body>
</html>

Definition and usage

The ng-repeat instruction is used to loop out the HTML element a specified number of times.

Collection must be an array or an object.

Grammar

< element ng-repeat="expression" > < /element >

All HTML elements support this instruction.

Parameter value

值 描述
expression 表达式定义了如何循环集合。

表达式实例规则:

x in records

(key, value) in myObj

x in records track by $id(x)

More examples

AngularJS instance

Output a table using an array loop: 


<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>
<body ng-app="myApp">

<table ng-controller="myCtrl" border="1">
<tr ng-repeat="x in records">
 <td>{{x.Name}}</td>
 <td>{{x.Country}}</td> 
</tr>
</table>

<script>
var app = angular.module("myApp", []);
app.controller("myCtrl", function($scope) {
 $scope.records = [
 {
  "Name" : "Alfreds Futterkiste",
  "Country" : "Germany"
 },
 {
  "Name" : "Berglunds snabbk",
  "Country" : "Sweden"
 },
 {
  "Name" : "Centro comercial Moctezuma",
  "Country" : "Mexico"
 },
 {
  "Name" : "Ernst Handel",
  "Country" : "Austria"
 }
 ]
});
</script>

</body>
</html>

Run results:

Alfreds Futterkiste Germany
Berglunds snabbk Sweden
Centro comercial Moctezuma Mexico
Ernst Handel Austria

AngularJS instance

Output a table using an object loop: 


<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>
<body ng-app="myApp">

<table ng-controller="myCtrl" border="1">
<tr ng-repeat="(x, y) in myObj">
 <td>{{x}}</td>
 <td>{{y}}</td> 
</tr>
</table>

<script>
var app = angular.module("myApp", []);
app.controller("myCtrl", function($scope) {
 $scope.myObj = {
 "Name" : "Alfreds Futterkiste",
 "Country" : "Germany",
 "City" : "Berlin"
 }
});
</script>

</body>
</html>

Run results:

Name Alfreds Futterkiste
Country Germany
City Berlin

The above is the basic data collation of AngularJS ng-repeat instruction, which will be supplemented in the future.

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