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var x1 ='&spades',
 y1 ='&clubs'
 z1 ='&hearts';
var x2 = ' ', y2 = ' ', z2 = ' '; 
var x3 = ' ', y3 = ' ', z3 = ' '; 


var Array = [x1,y1,z1,
 x2,y2,z2,
 x3,y3,z3];

Then I get an input from the user asking them to select a location (ex. x1) store it as input 1, then ask them for another location (ex. x2) and store that as input 2, and I have to swap the locations of the value.

I initially tried something like Array[input1] = Array[input2]

But Array[input1] is undefined even though input1 = x1 because Array[x1] is still undefined.

So how do I make Array[x1] = Array[0] so I can swap the values or is there an easier way?

Sorry if my question is poorly formed.

Assuming the inputs are strings ('x1' and 'x2'), you need a way to represent the variable names in your data structure. One way would be to have, rather than an array of strings, an array of objects, containing a label and a value property. Then, just find the indicies of both labels for both inputs, and reassign those indicies.

Also, better not to assign to a variable named Array, because that will shadow the global Array object - name it something else instead, like arr:

const arr = [
 label: 'x1', value: '&spades' ,
 label: 'y1', value: '&clubs' ,
 label: 'z1', value: '&hearts' 
 // ...
];
// Inputs:
const label1 = 'x1';
const label2 = 'y1';

// Calculate indicies:
const [index1, index2] = [label1, label2].map(
 findLabel => arr.findIndex(( label ) => label === findLabel)
);
([arr[index1], arr[index2]] = [arr[index2], arr[index1]]);
console.log(arr);

The destructuring line at the end there allows for swapping variables in two positions at once, without having to resort to an intermediate variable:

([arr[index1], arr[index2]] = [arr[index2], arr[index1]]);

If you find that confusing, an alternative is to actually use an intermediate variable:

const orig1 = arr[index1];
arr[index1] = arr[index2];
arr[index2] = orig1;

Here's what your code might look like if you use an object:

 let arr = ;
 arr['x1'] = '&spades';
 arr['y1'] = '&clubs';
 arr['z1'] = '&hearts';
 arr['x2'] = ' ';
 arr['y2'] = ' ';
 arr['z2'] = ' ';
 arr['x3'] = ' ';
 arr['y3'] = ' ';
 arr['z3'] = ' ';
 
 console.log(arr['z1']);
 arr['z1'] = 'foo';
 console.log(arr['z1']);