CODEWITHSUNDEEP
javascriptimplode
Omega
Omega

Reputation: 9158

Implode an array with JavaScript?

Can I implode an array in jQuery like in PHP?

Upvotes: 329

Views: 281427

Answers (7)

jon_darkstar
jon_darkstar

Reputation: 16768

You can do this in plain JavaScript, use Array.prototype.join:

arrayName.join(delimiter);

Upvotes: 617

Deepu Reghunath
Deepu Reghunath

Reputation: 9663

Use join() method creates and returns a new string by concatenating all of the elements in an array.

Working example

var arr= ['A','b','C','d',1,'2',3,'4'];
var res= arr.join('; ')
console.log(res);

Upvotes: 12

nikc.org
nikc.org

Reputation: 16952

Array.join is what you need, but if you like, the friendly people at phpjs.org have created implode for you.

Then some slightly off topic ranting. As @jon_darkstar alreadt pointed out, jQuery is JavaScript and not vice versa. You don't need to know JavaScript to be able to understand how to use jQuery, but it certainly doesn't hurt and once you begin to appreciate reusability or start looking at the bigger picture you absolutely need to learn it.

Upvotes: 28

scrowler
scrowler

Reputation: 24406

For future reference, if you want to mimic the behaviour of PHP's implode() when no delimiter is specified (literally just join the pieces together), you need to pass an empty string into Javascript's join() otherwise it defaults to using commas as delimiters:

var bits = ['H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd'];
alert(bits.join());    // H,e,l,l,o, ,W,o,r,l,d
alert(bits.join(''));  // Hello World

Upvotes: 21

eduardomozart
eduardomozart

Reputation: 1454

array.join was not recognizing ";" how a separator, but replacing it with comma. Using jQuery, you can use $.each to implode an array (Note that output_saved_json is the array and tmp is the string that will store the imploded array):

var tmp = "";
$.each(output_saved_json, function(index,value) {
    tmp = tmp + output_saved_json[index] + ";";
});

output_saved_json = tmp.substring(0,tmp.length - 1); // remove last ";" added

I have used substring to remove last ";" added at the final without necessity. But if you prefer, you can use instead substring something like:

var tmp = "";
$.each(output_saved_json, function(index,value) {
    tmp = tmp + output_saved_json[index];

    if((index + 1) != output_saved_json.length) {
         tmp = tmp + ";";
    }
});

output_saved_json = tmp;

I think this last solution is more slower than the 1st one because it needs to check if index is different than the lenght of array every time while $.each do not end.

Upvotes: 0

Vijay Verma
Vijay Verma

Reputation: 3698

We can create alternative of implode of in javascript: 

function my_implode_js(separator,array){
       var temp = '';
       for(var i=0;i<array.length;i++){
           temp +=  array[i] 
           if(i!=array.length-1){
                temp += separator  ; 
           }
       }//end of the for loop

       return temp;
}//end of the function

var array = new Array("One", "Two", "Three");


var str = my_implode_js('-',array);
alert(str);

Upvotes: 0

mikerobi
mikerobi

Reputation: 20878

Like This:

[1,2,3,4].join('; ')

Upvotes: 75

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