Question

Number with how many digit are considered accurate in JavaScript

Answer 1

<script>
var a = 999999999999999; // up to 15 digits (accurate)
document.write(a + "<br />");

var b = 9999999999999999; // 16 digits (not accurate)
document.write(b + "<br />");
 
/*
run:
 
999999999999999
10000000000000000
 
*/
</script>

 

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