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108 changes: 106 additions & 2 deletions assets/js/numbers.js
Original file line number Diff line number Diff line change
@@ -1,3 +1,107 @@
function compute(expression) {
function compute(expression) {
// TODO - write method definition here
}
var total=0;
var newArray=[];
var number1=0;
var number2=0;

// this function seperates the expression into arrays

function formatArray(expression)
newArray(x)

function formatArray(ex) //creates a new array and pops new numbers into it
{
var number;
var arr=ex.split("");
var counter=1;

for(var i=0;i<arr.length;i++)
{
if(testNumber(arr[i]==true))
{
number+=arr[i]
counter++

}
else{
number=parseInt(number)
newArray.push(number);
if(counter>arr.length)
{
newArray.push(arr[i]);
}
arr.splice(i,counter)
}

}


}
function testNumber(x) //test whole numbers
{
var i=true;
if(i==/\d/.test(x)) //test for whole number using regex
{
return i;
}
else{
return false
}
}

newArray(x)
{


for(var i=0;i<x.length;i++)
{
if(x[i]=="+")
{
var place=0;
number1=parseInt(x[i-1])
number2=parseInt(x[i+1])
total= number1+number2
place=--i
x.splice(place,3)
x.splice(place,0,total);
}
else if(arr[i]=="-")
{
var place=0;
number1=parseInt(x[i-1])
number2=parseInt(x[i+1])
total= number1-number2
place=--i
x.splice(place,3)
x.splice(place,0,total);

}
}

return total;
}

}


// function testArray(x)
// {
// switch(x){
// case "*":

// break;

// case"/":
// break;

// case "+":
// break;

// case "-":
// break;

// default:
// break;
// }
// }