function Sum() {
var Number1 = 0, Number2 = 0, sum = 0;
var input: HTMLInputElement;
input = <HTMLInputElement>document.getElementById("txtNumber1");
Number1 = parseFloat(input);
input = <HTMLInputElement>document.getElementById("textNumber2");
Number2 = parseFloat(input);
sum = Number1 + Number2;
var txtNumberSum: HTMLParagraphElement;
var txtNumberSum = <HTMLParagraphElement>document.getElementById("txtNumberSum");
txtNumberSum.innerHTML = sum;
}
Error code's Argument of type 'HTMLInputElement' is not assignable to parameter of type 'string'
Type 'number' is not assignable to type 'string