Recently, I've been experimenting with Angular and found myself facing a dilemma. Is it possible to apply a different CSS style based on whether the value of ng-model is greater than 0?
`<span ng-model="users2" ng-hide="!myVar" ng-class="{'test2': users2 > 0}" style="font-size:28px; color:purple" >`
I would greatly appreciate any assistance on this matter. Thank you!
You executed all the steps correctly.
Check out this JSBin for reference
Additionally, take a look at the ngClass Documentation for more examples.
If it's still not functioning, there may be another underlying issue.
Edit:
I missed an important detail, as mentioned in the feedback, the ngModel directive binds specific elements to a scope property like inputs, selects, textareas, or custom form controls. This directive does not have any effect on spans as they are not defined.
To modify the CSS style of a span based on a variable value, utilize the ng-class directive. You have the option to incorporate an if-else statement like so:
<div ng-class=" ... ? 'class-1' : ( ... ? 'class-2' : 'class-3')">
When it comes to styling, inline styles take precedence over css classes.
If you find that adding !important to your class is necessary for the desired effect, go ahead and do so. However, I recommend avoiding inline styles altogether and utilizing ng-class instead.
Feel free to check out the demo below or visit this fiddle.
angular.module('demoApp', [])
.controller('mainController', MainController);
function MainController() {
var vm = this;
angular.extend(vm, {
myVar: true,
users2: 1
});
}.test2 {
color: red !important;
}<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="demoApp" ng-controller="mainController as ctrl">
<input ng-model="ctrl.users2"/>
<span ng-hide="!ctrl.myVar" style="font-size:28px; color:purple" ng-class="{'test2': ctrl.users2 > 0}">
some content
</span>
</div>ng-model is specifically designed to work with input boxes, text boxes, radio buttons, and check boxes. If you try to use ng-model on a span element, it will not be able to update the model itself.
This means that $scope.users2 will always be undefined in this scenario.
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