<span onclick="document.calc.text.value +='1'">1</span> can u guys explain what this code say

Question

Onclick function

Answer 1

Looks like some calculator code.

After quick google search, I found an explanation.

Read more about it in the link I have provided below. Check out what it says under figure 1.

https://maztars.com/how-to-create-a-calculator-using-html-css-and-javascript/

Happy Coding!