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? asked in Computers & InternetProgramming & Design · 3 years ago

Help with HTML/ Javascript total sales calculator?

for some reason my calculator isnt working and i dont know why i was hoping someone could help me.

<html>

<head>

<style> body {background-color:yellow}

</style>

<title>Paralax Motors Corps. </title>

</head>

<body>

<h1> Paralax Motors Corps. </h1>

<br>

<h2> Sales ($ Millions) </h2>

<br>

<!-- note to self use tag p instead of double br to break up lines -->

Eastern Division<input type="text" id="Eastern" onchange=''>

<br><br>

Western Division<input type="text" id="Western" onchange=''>

<br><br>

<button id="Total Sales" onclick='

var total_2017 = Number(Eastern.value) + Number(Western.value); sales2017.value = total_2017;'>Calculate Total</button>

<br><br>

2017 Total Sales<input type="text" id="sales2017" onchange=''>

<br><br>

Estimate for 2018

<input type="radio" name="estimate" id="high" onclick='var high_increase=0.30;

var high_sales = sales2017.value*(1+high_increase) ; 2018sale.value = high_sales;'>high

<input type="radio" name="estimate" id="low" onclick='

var low_increase=0.10 ;

var low_sales = sales2017.value*(1+low_increase) ; 2018sale.value= low_sales ; '>low

<br><br>

2018 Expected Sales<input type="text" id="2018sale" onchange=''>

</body>

</html>

Attachment image

2 Answers

Relevance
  • Anonymous
    3 years ago
    Favorite Answer

    try this... only needs to change 3 lines.

    Eastern Division<input type="text" id="Eastern">

    Western Division<input type="text" id="Western">

    <button id="Total Sales" onclick='sales2017.value = Number(Eastern.value) + Number(Western.value)'>Calculate Total</button>

    2017 Total Sales<input type="text" id="sales2017">

    Estimate for 2018

    <input type="radio" name="estimate" id="high" onclick='2018sales.value = Number(sales2017.value) * (1.3)'>high

    <input type="radio" name="estimate" id="low" onclick='2018sales.value = Number(sales2017.value) * (1.1)'>low

    2018 Expected Sales<input type="text" id="2018sales">

  • Chris
    Lv 7
    3 years ago

    You can't use 2018sales as identifier in JS code. Variables cannot start with numeric characters.

    Fixed: https://jsfiddle.net/og7ewmof/

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