i cant make javascript calculator when i use + sign it just connect two numbers

Question

like 1+1 =11

Answer 1

It's because the plus sign can mean addition as well as concatenation. A trick that I use is to multiply the "string" by 1 to make sure it turns into an integer.

If you have x to be "1" and y to be "1", you can do z = x*1 + y*1 and you will get 2 as the result.

Answer 2

I think that you are trying to add two strings each other ( actually i'm sure that what you're doing)

That is a mistake that happen all the time.
"1" + "1" = "11"
1 + 1 = 2

If the number that you try to add each other came from on input, they are strings, not numbers.
In your code, try to use the fonction Number().

Like this -->
// x and y represent your number, which re actually strings..
Number(x) + Number(y).

Number() function take a string as a parameter and return an number.

Answer 3

You need to use parent for that.
example:
if you want to add 2 and 3 then
var k= parseInt (2,10) + parseInt (3,10)
now k will contain value 5 (2+3)

10 is radix (base of number system)

Answer 4

var operator = prompt("What do you want to do?")
var Number(1)= prompt (7)
var Number(2) = prompt (8)
if ("operator = *") {
var ans = value1 * value2 }
if ("operator = /") {
var ans = value1 / value2 }
if ("operator = -") {
var ans = value1 - value2 }
alert(ans);

Answer 5

this is my program

Answer 6

I can't understand can you give detailed ans