How to upload assets to AWS presignedurl from ClientSide javascrript

Clash Royale CLAN TAG #URR8PPP How to upload assets to AWS presignedurl from ClientSide javascrript I am approching presignedUrl method to upload a large file . I call an API from my angular code to server side which gives me presignedUrl , then I need to upload an URL . I have some question on this 1) Is there need to AWS SDK on my Angular side ? I assume I dont need it , I just sent PUT request to unsigned URL and file uploadfileAWSS3old(e,f){ const formData = new FormData(); formData.append("data",JSON.stringify({name:"testname"})); formData.append("file", f.files[0]); let contentType = f.files["0"].type; const headers = new HttpHeaders( { 'Content-Type': contentType }); const req = new HttpRequest('PUT',this.URL,formData, { headers: headers, reportProgress: true, //This is required for track upload process }); console.log(req) this.http.r...