ProfileImage.vue?edb7:79 Uncaught TypeError: canvas.toDataUrl is not a functio code example

Example 1: javascript todataurl

var image = new Image();
image.src = canvas.toDataURL();

Example 2: convert canvas to DataUrl and insert image in google sheet

function insertSiginSht(blb) {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var sheet = ss.getSheets()[0];
  sheet.insertImage(blb, 2,2);

}