javascript - Why ng-class-even required extra quotes -
i working on angularjs codes fine stuck @ 1 place cant find why quotes required in ng-class-even directive.
in line <tr ng-repeat="x in records" ng-class-even='"striped"'> why striped written "'striped'" instead of "striped"
.striped { color:white; background-color:black; }<body ng-app="myapp"> <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script> <table ng-controller="myctrl"> <tr ng-repeat="x in records" ng-class-even="'striped'"> <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 snabbköp", "country" : "sweden" }, { "name" : "centro comercial moctezuma", "country" : "mexico" }, { "name" : "ernst handel", "country" : "austria" } ] }); </script> </body>
this because ng-class-even allows give expression. in question says:
n line why striped written "'striped'" instead of "striped"
if try this, angular thinks striped variable attached in $scope. using 'striped' tells angular expression passed directive string value
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