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AngularJS ng-blur Directive

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  • Last Updated : 08 Aug, 2022
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The ng-blur Directive in AngularJS is fired when an HTML element loses their focus. It doesn’t override with element’s original onblur event i.e. both the ng-blur expression and original onblur event will execute. 

Syntax:

<element ng-blur="expression"> 
    Contents... 
</element>

Parameter:

  • expression: It refers to the variable or the expression to be evaluated. 

Note: The ng-blur directive is supported by <input>, <a>, <select> and <textarea>

Example 1: This example displays the text message “Enter your text here” when the input is focused and hides it when the input focus loses. 

HTML




<!DOCTYPE html>
<html>
 
<head>
    <title>ng-blur Directive</title>
 
    <script src=
    </script>
</head>
 
<body style="text-align:center">
    <h1 style="color:green">GeeksforGeeks</h1>
    <div ng-app="app">
        <div ng-controller="gfg">
            <h3>ng-blur Directive</h3>
            <h5 ng-show="msg">Enter your text here</h5>
            <input type="text"
                   ng-focus="msg=true"
                   ng-blur="msg=false" />
        </div>
    </div>
    <script>
        var app = angular.module("app", []);
        app.controller('gfg', ['$scope',
        function ($fun, $timeout) {
            $fun.msg = false;
        }]);
    </script>
</body>
</html>


Output:

 

Example 2: This example counts the number of times focus is removed from the textarea. 

HTML




<!DOCTYPE html>
<html>
 
<head>
    <title>ng-blur Directive</title>
    <script src=
    </script>
</head>
 
<body ng-app="" style="text-align:center">
    <h1 style="color:green">GeeksforGeeks</h1>
    <h3>ng-blur Directive</h3>
    <textarea ng-blur="count = count + 1"
              ng-init="count=0">
    </textarea>
    <h3>Number of times focus losed: {{count}}</h3>
</body>
</html>


Output:

 


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