JavaScript: innerHTML outputs undefined, although console.log outputs the right value

I am trying to make a calculator app in JS, and I am struggling with the sine and cosine functions. The line before document.getElementByID(“screenPar”).innerHTML = result; is console.log(result); , and in the console, the correct value shows up, however on the calculator’s screen, it says undefined. My function: function calcSin(){ try{ //Checks for syntax errors…

How to access the CSV file from HTML and save it in a array (using Javascript only) [duplicate]

This question already has an answer here: How to read data From *.CSV file using javascript? 9 answers I’m working in AngularJs the goal is to upload a file and save it as an a array using JS. here is my HTML : <input type=”file” id = “uploadFile” name = “uploadFile” accept=”.csv” required /> <button…