/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

0 vote101 views1 answer
Property 'src' does not exist on type 'HTMLElement' angular
Javascript AngularJS
1 vote95 views1 answer
Emit resize event in angular
Javascript AngularJS
2 votes95 views2 answers
Ngfor select angular
Javascript AngularJS
0 vote109 views1 answer
Display component in popup angular 8
Javascript AngularJS
0 vote156 views2 answers
How to run angular application in visual studio code
Javascript AngularJS
0 vote108 views1 answer
Angular specific attributes and locators list
Javascript AngularJS
0 vote235 views2 answers
Angular cors issue
Javascript AngularJS
0 vote103 views1 answer
Angular assign class invalid form
Javascript AngularJS
-1 vote111 views1 answer
Date range picker in angular 8
Javascript AngularJS
5 votes309 views1 answer
Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option in your 'tsconfig' or 'jsconfig' to remove this warning.ts(1219) angular
Javascript AngularJS