javascript: How to convert a array of string into a pure string that concatenate the items separated by comma?

Question

I have an javascript array of string that looks like:

A = ['a', 'b', 'c'];

I want to convert it to (all string):

strA = '"a","b","c"'

How do I achieve this?

do you mean 'a, b , c' -> strA = A.join(', ') - Array.join() — Arun P Johny
– Arun P Johny, Commented Oct 16, 2015 at 6:04
No. I meant literally \"a\",\"b\",\"c\", I am just looking for a simple solution — return 0
– return 0, Commented Oct 16, 2015 at 6:05
@Tushar not required... you can post that... was suppose to add that.. then saw you have already posted it as a comment — Arun P Johny
– Arun P Johny, Commented Oct 16, 2015 at 6:09

Tushar · Accepted Answer · 2015-10-16 06:17:27Z

4

You can use join with "," as glue.

var strA = '"' + A.join('","') + '"';

join will only add the glue between the array elements. So, you've to add the quotes to start and end of it.

edited Oct 16, 2015 at 6:17

answered Oct 16, 2015 at 6:10

Tushar

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2 Comments

davejagoda Over a year ago

Minor adjustment: var strA = '"' + A.join('","') + '"';

Tushar Over a year ago

@davejagoda Removed space from glue

Antony · Accepted Answer · 2015-10-16 06:09:04Z

1

Try this

A = ['a', 'b', 'c'];
A.toString();
alert(A);

answered Oct 16, 2015 at 6:09

Antony

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1 Comment

Tushar Over a year ago

No quotes around a, b and c.

goodfriend0 · Accepted Answer · 2015-10-16 06:12:18Z

0

Do you mean something like this? This works in chrome.

function transformArray(ar) {
  var s = ar.map(function (i) { 
    return "\"" + i + "\","; })
  .reduce(function(acc, i) { 
    return acc + i; 
  });
  return s.substring(0, s.length-1);
}

transformArray(["a", "b", "c"]);

answered Oct 16, 2015 at 6:12

goodfriend0

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Comments

jmancherje · Accepted Answer · 2015-10-16 06:15:15Z

0

You could try just concatenating the values in a simple for loop something like this:

var array = ["1", "a", 'b'];
var str = '';
for (var i = 0; i<array.length; i++){
  str += '"' + array[i] + '",';
}
str = str.substring(0, str.length - 1);

or if you're feeling crazy you could do :

   str = JSON.stringify(array)
   str = str.substring(1, str.length -1);

edited Oct 16, 2015 at 6:15

answered Oct 16, 2015 at 6:09

jmancherje

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