javascript - why document.write not showing the result -

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i'm learning js, script i'm trying 2 + 10 = 12 using plus operator.
result not showing on editor preview. i'm going wrong?

js:

ver 2 = 2; ver ten = 10; ver result = 2 + ten;  document.write("two plus ten = ") document.write(result)

i'm expecting suggestion, mistake on js. i'm trying learn please don't suggest js.
here example: https://jsfiddle.net/lnaj4zdb/

because of this

ver 2 = 2; ver ten = 10; ver result = 2 + ten;

it should var not ver

var 2 = 2; var ten = 10; var result = 2 + ten;

demo


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