<!DOCTYPE html>
<html>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script>
<body ng-app="myApp">

<w3-test-directive></w3-test-directive>

<div w3-test-directive></div>

<script>
var app = angular.module("myApp", []);
app.directive("w3TestDirective", function() {
    return {
        restrict : "A",
        template : "<h1>Made by a directive!</h1>"
    };
});
</script>

<p><strong>Note:</strong> By setting the <strong>restrict</strong> property to "A", only the HTML element with the "w3-test-directive" attribute has invoked the directive.</p>

</body>
</html>
// Code goes here

/* Styles go here */

<div>
w3s108-AngularJS Directives Custom
<br/>
code example:
  <hr>
index.html
  <br/>
  <textarea 
  id='codeoutput' 
  style="width: 100%;height: 300px;background-color: #dffff4;
      font-size: 1em;font-family: Verdana, Arial, Helvetica, sans-serif;
      border: 1px solid black;">
      
<!DOCTYPE html>
<html>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script>
<body ng-app="myApp">

<w3-test-directive></w3-test-directive>

<div w3-test-directive></div>

<script>
var app = angular.module("myApp", []);
app.directive("w3TestDirective", function() {
    return {
        restrict : "A",
        template : "<h1>Made by a directive!</h1>"
    };
});
</script>

<p><strong>Note:</strong> By setting the <strong>restrict</strong> property to "A", only the HTML element with the "w3-test-directive" attribute has invoked the directive.</p>

</body>
</html>
    
  </textarea>

  
  <hr/>
  <iframe 
  allowfullscren="allowfullscren" 
  frameborder="0" 
  src="https://embed.plnkr.co/tZCB4RJNpmXbihQjulxB?show=preview" 
  style="height: 400px; width: 100%;">
  </iframe>
  <hr> 
https://www.w3schools.com/angular/angular_directives.asp
  <hr> 
  201603
</div>