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Editorial Team
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Asked: 2026-06-12T08:48:59+00:00

how to parse 009 in javascript i need return value as 9 but it

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how to parse 009 in javascript i need return value as 9 but it returns 0.
But when i parse 001 it returns 1.

var tenant_id_max = '3-009';
tenant_id_split = tenant_id_max.split("-");
var tenant_id_int = tenant_id_split[1];
var tenant_id_count = parseInt(tenant_id_int);
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1 Answer

  1. Editorial Team

    Do 

    var tenant_id_count = parseInt(tenant_id_int, 10);

    That’s because a string starting with “0” is parsed as octal (which doesn’t work very well for “009”, hence the 0 you get) if you don’t specify the radix.

    From the MDN :

    If the input string begins with “0”, radix is eight (octal). This
    feature is non-standard, and some implementations deliberately do not
    support it (instead using the radix 10). For this reason always
    specify a radix when using parseInt.

    The most important thing to remember is Always specify the radix.

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