/Javascript/AngularJS/Angular scroll event on div chang width

Angular scroll event on div chang width

<body style="overflow: scroll; height: 1000px;" onload="scrollDetect()">
    <div class="firstdiv" style="border:1px solid black; margin: 0 auto; width: 200px;height: 200px;">
    </div>

    <script>
        function scrollDetect() {
            let div = document.querySelector('.firstdiv')
            var lastScroll = 0;
            window.onscroll = function () {
                let currentScroll = document.documentElement.scrollTop; // Get Current Scroll Value
                if (currentScroll > 0 && lastScroll <= currentScroll) {
                    lastScroll = currentScroll;
                    div.style.width = '50%'
                    div.style.height = "50%";
                    div.style.background = "red";
                    div.style.position = "relative";
                    div.style.top = "0";
                    div.style.left = "0";
                } else {
                    lastScroll = currentScroll;
                    div.style.width = '200px'
                    div.style.height = '200px'
                }
            };
        }
    </script>
</body>

Source: stackoverflow.com

Similar codes

15 votes143 views3 answers
Angular input decimal pipe
Javascript AngularJS
0 vote129 views1 answer
Angular implementing Validator
Javascript AngularJS
1 vote132 views2 answers
How to convert utc time to local time angular
Javascript AngularJS
1 vote133 views1 answer
Dynamic component angular parameters
Javascript AngularJS
0 vote128 views1 answer
Angularjs are you sure to leave
Javascript AngularJS
0 vote150 views1 answer
How to add toaster in angular 9
Javascript AngularJS
0 vote135 views1 answer
Angular loop through key values in map
Javascript AngularJS
0 vote139 views1 answer
Npm font awesome 5 angular 7
Javascript AngularJS
0 vote145 views2 answers
Angular pipe percentage
Javascript AngularJS
0 vote134 views1 answer
Mac address validation regex angular
Javascript AngularJS