Is there any limit in var, if var is number?

Question

Hallo, i've two simple inputs named "Text1" and "Text2". And javascript on unfocus from Text1.

Javascript here:
var text = "";
var barcode = "";
text = getField("Text1").value;
barcode = getField("Text2");
barcode.value = text;

It's works fine. But when i fill Text1 with long number (16digits), Text2 becomes strange, by the table below

Text1

goes to

Text2

9203803018350709

9203803018350708

9203803018350707

9203803018350708

9203803018350706

9203803018350705

9203803018350704

9203803018350703

9203803018350704

9203803018350702

9203803018350701

9203803018350700

Any ideas how to solve please?

try67 · Accepted Answer

Your code is unnecessarily complicated. Change it to:event.value = this.getField("Text1").valueAsString;

try67 · Answer

Set the fields' Format to None, not to Number.

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