/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

3 votes108 views2 answers
Angular background image
Javascript AngularJS
0 vote122 views1 answer
Angular pipe json error
Javascript AngularJS
3 votes106 views1 answer
Send event to child component angular
Javascript AngularJS
1 vote68 views1 answer
Angular matdialogref
Javascript AngularJS
11 votes121 views2 answers
Angular print an array
Javascript AngularJS
12 votes109 views6 answers
Angular conditional class
Javascript AngularJS
1 vote101 views1 answer
Condition in string interpolation angular
Javascript AngularJS
1 vote104 views1 answer
Angularjs round to 2 decimal places input
Javascript AngularJS
2 votes120 views1 answer
@input and @Output in angular
Javascript AngularJS
0 vote98 views1 answer
Searchbox in api news in angular
Javascript AngularJS