Question

126

Javascript string to Guid

rated 0 times [ 131] [ 5] / answers: 1 / hits: 29574 / 10 Years ago, tue, august 5, 2014, 12:00:00

in javascript, what is the easiest way to convert this string

798205486e954fa880a0b366e6725f71

to GUID format like this

79820548-6e95-4fa8-80a0-b366e6725f71

this is the messy way I do it :) im looking for the cleanest way

var employeeId = shift.employee.id.substring(0, 8) + - + shift.employee.id.substring(8, 12)

                    + - + shift.employee.id.substring(12, 16) + - + shift.employee.id.substring(16, 20) + - + shift.employee.id.substring(20, 32);

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declanm

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2 Years ago

answered 10 Years ago shylaelisan · Accepted Answer

I did it in string manipulation

var str = 798205486e954fa880a0b366e6725f71;

var parts = [];

parts.push(str.slice(0,8));

parts.push(str.slice(8,12));

parts.push(str.slice(12,16));

parts.push(str.slice(16,20));

parts.push(str.slice(20,32));

var GUID = parts.join('-'); 



console.log(GUID) // prints expected GUID

I did it this way because I don't like inserting characters between strings. If there is any problem tell me.

Or you could use a for loop like bellow

var str = 798205486e954fa880a0b366e6725f71;

var lengths = [8,4,4,4,12];

var parts = [];

var range = 0; 

for (var i = 0; i < lengths.length; i++) {

    parts.push(str.slice(range,range+lengths[i]));

    range += lengths[i];

};

var GUID = parts.join('-');

console.log(GUID);