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Help me fix my budget calculator javascript?
Posted on 2013-01-05
I built this budget calculator using HTML, CSS & Javascript / JQuery a while back, and am wondering if someone here might be able to help me fix my javascript so that it's more efficient with adding up and calculating dollar amounts.
http://budget.egoselfaxis.com/
I'm a subcontractor, and I use this app to help keep track of my tax-adjusted income vs. expenses. Once you establish an "economic forecast" by filling in the 4 initial text input fields, you're able to add up individual expenses, .. drag and drop them to new positions (if necessary), .. and then delete each expense once it's been paid off. The result is a "tape roll" like summary of where you're at financially (meaning an estimate of how much extra spending money you should have left over if everything works out as planned).
Anyways, -- my javascript-based math functions are buggy, and sometimes result in obviously wrong and enormous amounts. I think part of the problem is that I'm purposefully excluding the penny values from some of my calculations, and have to accommodate for them programmatically as needed. Obviously I'm doing this incorrectly. What I'd like to do is have someone here help me fix it. Anyone care to lend a hand?
Feel free to bookmark this link if you find it useful in any way, by the way. You'll see that it uses HTML5's local storage functions, and doesn't require any server-side scripting. In fact -- you can just save it down to your local machine and to run it from there if you prefer.
Thanks, -- and happy new year!
- Yvan
http://budget.egoselfaxis.com/
I'm a subcontractor, and I use this app to help keep track of my tax-adjusted income vs. expenses. Once you establish an "economic forecast" by filling in the 4 initial text input fields, you're able to add up individual expenses, .. drag and drop them to new positions (if necessary), .. and then delete each expense once it's been paid off. The result is a "tape roll" like summary of where you're at financially (meaning an estimate of how much extra spending money you should have left over if everything works out as planned).
Anyways, -- my javascript-based math functions are buggy, and sometimes result in obviously wrong and enormous amounts. I think part of the problem is that I'm purposefully excluding the penny values from some of my calculations, and have to accommodate for them programmatically as needed. Obviously I'm doing this incorrectly. What I'd like to do is have someone here help me fix it. Anyone care to lend a hand?
Feel free to bookmark this link if you find it useful in any way, by the way. You'll see that it uses HTML5's local storage functions, and doesn't require any server-side scripting. In fact -- you can just save it down to your local machine and to run it from there if you prefer.
Thanks, -- and happy new year!
- Yvan
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12 Comments
Active 1 day ago
1) add empty($('#in_checking_acct
2) change
$('.budget_item').each(fun
total = total + parseInt($(this).text());
});
to
$('.budget_item').each(fun
var val = $(this).text();
if (!val || isNaN(val)) val =0;
else val = parseInt(val,10);
total += val;
});
Can you give a step by step to recreate an error?
2) change
$('.budget_item').each(fun
total = total + parseInt($(this).text());
});
to
$('.budget_item').each(fun
var val = $(this).text();
if (!val || isNaN(val)) val =0;
else val = parseInt(val,10);
total += val;
});
Can you give a step by step to recreate an error?
Hi,
You have mixed up everything(CSS and JavaScript code) in one file, which should be separated!
Put all the Styles in the separate .CSS file and refer it in your HTML file like this -
Same way with JavaScript too -
Once you are done with that, get back to us and will check the code! Moreover, show us the functions we need to check instead of all which may take time!
Hope it helps u...
You have mixed up everything(CSS and JavaScript code) in one file, which should be separated!
Put all the Styles in the separate .CSS file and refer it in your HTML file like this -
<link href="Site.css" rel="stylesheet" type="text/css" />
Same way with JavaScript too -
<script src="MyScript.js" type="text/javascript"></script>
Once you are done with that, get back to us and will check the code! Moreover, show us the functions we need to check instead of all which may take time!
Hope it helps u...
Active 1 day ago
roopeshreddy that is irrelevant to the question. JS and CSS may be inline without influencing execution
@mplungjan
Yeah, Correct. I just mentioned the author about the same and asked him to make thing clear and point us to the functionality which he requires refactoring of the code!
Do correct me, if i'm wrong!
Thanks!
Yeah, Correct. I just mentioned the author about the same and asked him to make thing clear and point us to the functionality which he requires refactoring of the code!
Do correct me, if i'm wrong!
Thanks!
To recreate the error .. enter a value of "100" or "1000" (without the quotes) into the "Estimated Hours" text input field, and then click on the red "+" button that's to the right of it. It seems that these types of values always result in the wrong calculations.
By the way .. although the edits you suggested didn't appear to break anything .. they don't seem to be making any difference.
Thanks,
- Yvan
By the way .. although the edits you suggested didn't appear to break anything .. they don't seem to be making any difference.
Thanks,
- Yvan
Active 1 day ago
this helped
if(empty($('#in_checking_acct
alert("You must provide values for Checking Account, Hourly Rate, Estimated Hours, and Tax Percentage");
} else {
var in_checking_acct = parseInt($('#in_checking_acct').val
if(empty($('#in_checking_acct
alert("You must provide values for Checking Account, Hourly Rate, Estimated Hours, and Tax Percentage");
} else {
var in_checking_acct = parseInt($('#in_checking_acct').val
Active 1 day ago
And this is easier to read:
var income_summary_html = "<h2>Income</h2>";
income_summary_html += '<p><strong>Total Dollar Amount Already In Checking Account:</strong> <div class="income">+ ' + formatDollar(in_checking_acct) + '</div></p><hr class="clear">';
income_summary_html += '<p><strong>Total Projected Income Before Taxes:</strong> <div class="income">+ ' + formatDollar(income_before_taxes) + '</div></p><hr class="clear">';
income_summary_html += '<p><strong> </strong> <div class="total">' + formatDollar(total_adjusted_income) + '</div></p><hr class="clear">';
income_summary_html += '<p><strong>Minus This Month\'s IRS Tax Contribution</strong> <div class="expense">- ' + formatDollar(tax_contribution) + '</div></p><hr class="clear">';
income_summary_html += '<p><strong> </strong> <div class="total">' + formatDollar(income_after_taxes) + '</div></p><hr class="clear">';
var total = 0,val;
$('.budget_item').each(function(){
val = $(this).text();
if (!val || isNaN(val)) val =0;
else val = parseInt(val,10);
total += val;
});
income_summary_html += '<p><strong>Minus Total Expenses For This Month:</strong> <div class="expense">- ' + formatDollar(total) + '</div></p><hr class="clear">';
>> var in_checking_acct = parseInt($('#in_checking_acct').val
This revision is resulting in incorrect math calculations.
- Yvan
This revision is resulting in incorrect math calculations.
- Yvan
Active 1 day ago
Better than 19 million it did before...
Please elaborate. Perhaps there are more issues, I can just tell you now that before it was "1000"+100 which is 1000100
Please elaborate. Perhaps there are more issues, I can just tell you now that before it was "1000"+100 which is 1000100
Hi,
I didn't see issues with the code provided by @mplungjan!
What type of functionality you are expecting? It's better to show the function which needs to be refactored and also the desired functionality to better assist you!
Waiting for your input!
I didn't see issues with the code provided by @mplungjan!
What type of functionality you are expecting? It's better to show the function which needs to be refactored and also the desired functionality to better assist you!
Waiting for your input!
After doing a bit more testing, .. the problem appears to only be happening when an "Approximate Dollar Amount Currently In Checking Account" value other than "0" is specified.
http://budget.egoselfaxis.com/
- Yvan
http://budget.egoselfaxis.com/
- Yvan
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