CODEWITHSUNDEEP
javascriptnode.js
Amanda G
Amanda G

Reputation: 1981

Passing multiple parameter s to a function as a object

I have a function which has input parameters as below:

function a(s,d,f,r,g,h,u)

I want to combine all the input parameters into one object and pass it in to the function. I have to write a set function instead of using options. Any idea regarding this will be really helpful.

Upvotes: 0

Views: 1873

Answers (4)

web-nomad
web-nomad

Reputation: 6003

...rather than passing the object that you'll create, you could make use of the default arguments parameter available to all functions and go from there.

function a(){alert(arguments.length)}

a(1,2); // alerts 2
a(1,2,3); // alerts 3
a(1); // alerts 1

Hope this helps.

Upvotes: 0

navyad
navyad

Reputation: 3860

you can create an array of input parameters and can pass to function

var array = new Array()
array[0] = parameter1
array[1] = parameter2

function(array){

//use parameters here like array[0]

}

Upvotes: 0

Salman
Salman

Reputation: 9447

If you want to pass one argument to the function then use

function fn(arr) { }
var arr = [s,d,f,r,g,h,u];

fn(arr);

Alternatively, If you want to pass the same number of arguments but still use one variable for it then use

function fn (s,d,f,r,g,h,u) { }

var arr = [s,d,f,r,g,h,u];
fn.call(null, arr);

fn.call It will pass the elements of the array as the parameters of the function

Upvotes: 0

shift66
shift66

Reputation: 11958

use an array: [s,d,f,r,g,h,u] or make an object: {s: s,d: d,f: f,r: r,g: g,h: h,u: u} 

function a(obj)
{
...
}

in your function you can access the members of an array by this way:

obj[number] e.g. obj[0] will be the s, obj[3] will be the r

and if you need to make an object you can access the elements just writing obj.name
e.g. obj.d will be the d and obj.h will be the h

Upvotes: 1

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