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<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <style>
    #es6-method,
    #generator,
    #anon-generator,
    #named-function-expression,
    #anon-function-expression,
    #returned-function {
      border: 1px solid #000;
      width: 200px;
      min-height: 1em;
      cursor: pointer;
    }
    </style>
    <script type="application/javascript">
      "use strict";
      const namedFunctionExpression =
      function foo() {
        alert("namedFunctionExpression");
      }
      const anonFunctionExpression = function() {
        alert("anonFunctionExpression");
      };
      const returnedFunction = (function() {
        return function bar() {
          alert("returnedFunction");
        }
      })();
      /* exported init */
      function init() {
        const em = new Es6Method();
        const es6Method = document.getElementById("es6-method");
        es6Method.addEventListener("click", em.es6Method);
        const generatorNode = document.getElementById("generator");
        generatorNode.addEventListener("click", generator);
        const anonGenerator = document.getElementById("anon-generator");
        // eslint-disable-next-line require-yield
        anonGenerator.addEventListener("click", function* () {
          alert("anonGenerator");
        });
        const namedFunctionExpressionNode =
          document.getElementById("named-function-expression");
        namedFunctionExpressionNode.addEventListener("click",
                                                     namedFunctionExpression);
        const anonFunctionExpressionNode =
          document.getElementById("anon-function-expression");
        anonFunctionExpressionNode.addEventListener("click",
                                                     anonFunctionExpression);
        const returnedFunctionNode = document.getElementById("returned-function");
        returnedFunctionNode.addEventListener("click", returnedFunction);
      }
      function Es6Method(hehe) {
      }
      Es6Method.prototype = {
        es6Method(foo, bar) {
          alert("obj.es6Method");
        }
      };
      function HandleEvent() {
        const handleEventNode = document.getElementById("handleEvent");
        handleEventNode.addEventListener("click", this);
      }
      HandleEvent.prototype = {
        // eslint-disable-next-line object-shorthand
        handleEvent: function(event) {
          switch (event.type) {
            case "click":
              alert("handleEvent click");
          }
        }
      };
      // eslint-disable-next-line require-yield
      function* generator() {
        alert("generator");
      }
    </script>
  </head>
  <body onload="init();">
    <h1>Events test 3</h1>
    <div id="es6-method">ES6 method</div>
    <div id="generator">Generator</div>
    <div id="anon-generator">Anonymous Generator</div>
    <div id="named-function-expression">Named Function Expression</div>
    <div id="anon-function-expression">Anonymous Function Expression</div>
    <div id="returned-function">Returned Function</div>
  </body>
</html>