JavaScript Composite String [duplicate]

Question

Possible Duplicate:
JavaScript equivalent to printf/string.format

I'm not sure the exact term (string substitution?) but many languages (C, VB, C#, etc.) offer similar mechanisms for constructing string dynamically. The following is an example in C#:

string firstName = "John";
string lastName = "Doe";
string sFinal = string.Format(" Hello {0} {1} !", firstName, lastName);

I'd would like to accomplish the same thing in JavaScript. Can anyone shed some light?

Thanks,

Joseph Silber · Accepted Answer · 2013-01-28 02:59:17Z

5

JavaScript does not yet have this functionality natively. You'll have to use concatenation:

var firstName = "John";
var lastName = "Doe";
var sFinal = " Hello " + firstName + " " + lastName + " !";

That sucks? True. But this is the world we live in.

As pointed out by @PeterSzymkowski, you can use this JavaScript implementation of the C/PHP sprintf function.

edited Jan 28, 2013 at 2:59

answered Jan 28, 2013 at 2:51

Joseph Silber

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2 Comments

Peter Over a year ago

World we live in is not that bad

Joseph Silber Over a year ago

@PeterSzymkowski - True, which is why I said that JavaScript does not support this natively. I'll add that link to my answer.

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