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[英]JQuery search box autosuggest - How to select from suggestions with arrow keys whilst still retaining focus on input field
[英]How to show error on focus out from input field if it is still $pristine?
我有一个表单,我需要在$ pristine字段上显示错误。 如果我只专注于该领域,而无需输入任何内容便专注于该领域。 但是错误从一开始就不可见。
这是我的小提琴 。
这是我的代码...
<div ng-app>
<form action="" name="myForm">
<div>
<input type="text" ng-model="name" name="n">
<span ng-show="myForm.n.$pristine">please fill something</span>
</div>
<div>
<input type="text" ng-model="email">
<span ng-show="">please fill something</span>
<span ng-show="">invalid password</span>
</div>
<div>
<input type="text" ng-model="cemail">
<span ng-show="">please fill something</span>
<span ng-show="">password dosent match</span>
</div>
<div>
<input type="submit">
</div>
</form>
</div>
已编辑
抱歉,但是我的互联网连接速度很慢,并且无法编辑jsfiddle ,但是我从您的小提琴代码中为您摘了一个片段 。 参见下面的代码。
请查看下面的代码。 需要考虑的一些方面:
<div ng-app>
我将其替换为<div ng-app="app">
function TodoCtrl($scope) {}
。 我用语法angular.module('app', []).controller('TodoCtrl', TodoCtrl);
替换了它angular.module('app', []).controller('TodoCtrl', TodoCtrl);
function TodoCtrl($scope) { $scope.visible = []; $scope.show = function(form, input) { if (form && input) { if (form[input].$pristine && !form[input].$modelValue) { $scope.visible[form[input].$name] = true; } } } } angular.module('app', []).controller('TodoCtrl', TodoCtrl);
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.0/angular.min.js"></script> <div ng-app="app" ng-controller="TodoCtrl"> <form action="" name="myForm"> <div> <input type="text" ng-model="name" name="n" ng-blur="show(myForm, 'n')"> <span ng-show="visible['n']">please fill something</span> </div> <div> <input type="text" ng-model="email" name="myEmail" ng-blur="show(myForm, 'myEmail')"> <span ng-show="visible['myEmail']">please fill something</span> <span ng-show="">invalid password</span> </div> <div> <input type="text" ng-model="cemail" name="cemail" ng-blur="show(myForm, 'cemail')"> <span ng-show="visible['cemail']">please fill something</span> <span ng-show="">password dosent match</span> </div> <div> <input type="submit"> </div> </form> </div>
可以在“输入”文本框中使用required
,如下所示
<div>
<input type="text" ng-model="name" name="n" required>
<span ng-show="myForm.n.$pristine || myForm.n.$error.required">please fill something</span>
</div>
希望这可以帮助!!
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