Window localStorage Property - counts the number of times a user has clicked a button: - Javascript Browser Object Model

Javascript examples for Browser Object Model:Window localStorage

Description

Window localStorage Property - counts the number of times a user has clicked a button:

Demo Code

ResultView the demo in separate window

<!DOCTYPE html>
<html>
<head>
<script>
function clickCounter() {/*  w ww . jav a 2  s  .  c om*/
    if(typeof(Storage) !== "undefined") {
        if (localStorage.clickcount) {
            localStorage.clickcount = Number(localStorage.clickcount)+1;
        } else {
            localStorage.clickcount = 1;
        }
        document.getElementById("result").innerHTML = "You have clicked the button " + localStorage.clickcount + " time(s).";
    } else {
        document.getElementById("result").innerHTML = "Sorry, your browser does not support web storage...";
    }
}
</script>
</head>
<body>
<p><button onclick="clickCounter()" type="button">Click me!</button></p>
<div id="result"></div>
</body>
</html>

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