Then download it and unzip in PC. The user will then choose a file from the file upload dialog, and the change event will be triggered and handled by onFileSelected (). Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; About the company When the user clicks on the blue button, a click handler triggers the file input via fileUpload.click (). 2022 Moderator Election Q&A Question Collection, HTML Input="file" Accept Attribute File Type (CSV), HTML5 drag and drop and multiple file upload, drag drop files into standard html file input, Precise Drag and Drop within a contenteditable. Console. '.$file_ext; I'm a full-stack developer, entrepreneur and owner of Aatman Infotech. I know and I'm using this but i mean when I drag the file over the field without even dropping. Is cycling an aerobic or anaerobic exercise? In this file i used bootstrap 4 class, if you want to use bootstrap then you can follow this link: Install Bootstrap 5 in Angular 12,