Need help with my code
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  1. #1
    Join Date
    Feb 2014
    Posts
    1

    Need help with my code

    I got this feedback from my teacher about my code but i dont know how to fix it

    There is an issue with the area, it might be because you do not calculate it until after all the conditionals. Also it should not output with a .
    There is also an issue with the undercoat cost, this might be because you have 2 variables with the same name.





    var help = prompt("Do you need any help?");
    if (help ==="yes"){
    myFunction();
    }

    else if(help ==="no"){

    }

    myFunction = function(){
    alert("First enter the height of your room into the box");
    alert("Enter the first length of your room");
    alert("Enter the second length of your room");
    alert("Enter the third length of your room");
    alert("Enter the fourth length of your room");
    alert("Then type in what paint you want your room to be");
    alert("Choose is you want undercoat by typing yes or no");
    alert("Finally the total cost should appear in your box");
    alert("FAQ What happens if I have entered the wrong length... keep pressing cancel and restart");
    alert("FAQ What happens if my house has three walls ... type in three lengths and press 0 for the fourth");
    alert("FAQ What happens if i want one wall one colour and another wall the other...... At the moment this app cant calculate that");
    };

    var height = prompt ("Please enter Your Height");
    var lengthArray = [];
    for ( i = 0 ; i<4; i ++ ){
    var length = prompt ("Please enter your lengths");
    lengthArray.push(length);
    console.log(lengthArray);
    var area = height * length;
    }
    // Paint Cost
    var Economy = 0.45;
    var Standard = 1.00;
    var Luxury = 1.45;
    var underCoat = 0.50;
    var paintCost;
    var undercoatCost;

    // The if stament for the standard costs
    var paintChoice = prompt (" Please Choose your paint ");
    if (paintChoice === "Standard"){
    paintCost = (Standard*area);
    console.log("The cost of this paint will be " + paintCost);
    }
    // The if stament for the standard costs
    else if (paintChoice === "Economy"){
    paintCost = (Economy*area);
    console.log("The cost of this paint will be " + paintCost);
    }
    // The if stament for the standard costs
    else if (paintChoice === "Luxury"){
    paintCost = (Luxury*area);
    console.log("The cost of this paint will be " + paintCost);
    }
    // This is the else if stament for the choice of selecting a wrong colour
    else if (paintChoice === "Red"){
    console.log("You have chosen the wrong paint choice ");
    }
    // This is the the if stament for undercoat when you choose yes
    var underCoat = prompt ("Would you like any undercoat? ");
    if (underCoat === "Yes"){
    undercostCost = (area*underCoat);
    console.log("The cost of the undercoat will be " + undercoatCost);
    }
    // This is the else if statement for undercoat when you choose no
    else if (underCoat === "No"){
    console.log("You have chosen not to have undercoat ");
    }
    // This is the variable to total up the lengths
    var total = [];
    var lengthSum = lengthArray[0] + lengthArray[1] + lengthArray[2] + lengthArray[3];
    console.log(lengthSum);
    var area = (height*lengthSum);
    alert("The area of the room is " + area.toFixed(2));

  2. #2
    Join Date
    Jun 1999
    Location
    SW Missouri
    Posts
    3,424

    Re: Need help with my code

    That looks like javascript, not java. Try asking on a javascript forum.
    Norm

  3. #3
    Join Date
    Dec 2013
    Posts
    14

    Re: Need help with my code

    Hello,
    This is Javascript. Java and Javascript are different languages although they have similar names : )
    Good luck.

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