Closure Example
How do I make an closure example?
What is a closure example? How do you make a closure example? This script and codes were developed by Steven on 31 July 2022, Sunday.
Closure Example - Script Codes HTML Codes
<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Closure Example</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <div class="container"> <p> <button class="btn" id="btn1">Button 1</button> <button class="btn" id="btn2">Button 2</button> <button class="btn" id="btn3">Button 3</button> </p> <p> <span class="btnLabel" id="span1">0</span> <span class="btnLabel" id="span2">0</span> <span class="btnLabel" id="span3">0</span> </p>
</div> <script src="js/index.js"></script>
</body>
</html>
Closure Example - Script Codes CSS Codes
.container { width: 80%; margin: auto; text-align: center;
}
.btn, .btnLabel { display: inline-block; width: 30%; height: 50px;
}
.btnLabel { font-weight: bold; font-size: 30px;
}
Closure Example - Script Codes JS Codes
"use strict";
var volv$ = function volv$(x) { return document.getElementById(x);
};
function incCounter() { var _this = this; // Each call gets its own scope this.count = 0; // Only available to outside world via returned function return function () { return ++_this.count; }; // Return function that increments and returns count.
}
var counterOne = {}, counterTwo = {}, counterThree = {};
counterOne = incCounter.call(counterOne); // Each gets its own incCounter scope.
counterTwo = incCounter.call(counterTwo);
counterThree = incCounter.call(counterThree);
volv$("btn1").addEventListener("click", function () { return volv$("span1").innerHTML = counterOne();
});
volv$("btn2").addEventListener("click", function () { return volv$("span2").innerHTML = counterTwo();
});
volv$("btn3").addEventListener("click", function () { return volv$("span3").innerHTML = counterThree();
});
Developer | Steven |
Username | volv |
Uploaded | July 31, 2022 |
Rating | 3 |
Size | 2,443 Kb |
Views | 26,312 |
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