Using multi variables in function in jQuery

Question

I'm trying to use multiple variables in a function. This one works for 2 variables, but what if there are 5 sites to get scripts from?

function scripts(url,url2){
            window.setInterval(function (){
                $.getScript(url);
                $.getScript(url2);
                        },10000)
        }

scripts('http://www.site1.com/1.jpg','http://www.site2.com/1.jpg');

What is the correct way to use multiple variables in a function, when we can use as more variables as we can?

Gabriele Petrioli · Accepted Answer · 2014-11-04 10:08:49Z

3

If you want to pass an unknown number of variables you can do it two ways.

pass an array and iterate over the items in it

function scripts(urls){
    window.setInterval(function (){
        for(var i=0,len = urls.length; i< len; i++){
            $.getScript( urls[i] );
         }
    },10000)
}
// pass an array
scripts(['http://www.site1.com/1.jpg','http://www.site2.com/1.jpg']);

use the arguments keyword

function scripts(){
    var urls = Array.prototype.slice.call(arguments);
    window.setInterval(function (){
        for(var i=0,len = urls.length; i< len; i++){
            $.getScript( urls[i] );
         }
    },10000)
}

scripts('http://www.site1.com/1.jpg','http://www.site2.com/1.jpg');

edited Nov 4, 2014 at 10:08

answered Nov 4, 2014 at 2:43

Gabriele Petrioli

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2 Comments

user198989 Over a year ago

Above commenter has added an additional ".call" after the slice. Is there any difference ?

Gabriele Petrioli Over a year ago

@user198989 yes, it is required. It was an oversight on my part. I have edited my answer to include it.

xdazz · Accepted Answer · 2014-11-04 02:41:12Z

3

You could use arguments object.

function scripts(){
    var args = Array.prototype.slice.call(arguments);
    window.setInterval(function (){
        // then use a loop for args.

    }, 1000)
}

answered Nov 4, 2014 at 2:41

xdazz

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