Round Variables Up To 2 Decimal Places?
Jan 11, 2010
My javascripting is getting there, I have been learning for the last week and I have produced a working script however im getting stuck with how you round a variable (stored user input) up to the nearest whole number to 2 decimals I have looked at many tutorials and I think that the math.round has to be used somewhere but I cannot work out the syntax to integrate it into my code because everywhere I have looked seems to be using document.write syntax:
[Code]....
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Nov 17, 2011
I am trying to use the following javascript [URL] to create something similar to the example on [URL] for a school project but I wondered if someone could advise me how I can round numbers to 2 decimal places in the field box as I have to convert the calculated value by an exchange rate, e.g.:
where x=100 and y=50
calculate="(x+y)/1.55"
returns a value of 96.77419355. I would like to round this figure up to 2 decimal places so it would read 96.77 but I cannot figure out how to do this.
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Jul 27, 2007
If I get a percentage result on a form, for example: 95.44186046511628
Is there a way I can limit it to only 2 decimal places like 95.44? It won't always be 95.44186046511628, so it just wouldn't apply to just that one percentage. I need it to only have 2 decimal places with whatever the value is.
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Nov 30, 2010
I want javascript function that could convert from integer to float e.g if user enters 10 then it should convert it to 10.00 or better 10.000. If user enters 10.0123 then it should convert it to 10.0123.
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Oct 14, 2011
In this code how does the total will be come two decimal places
[Code]...
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Nov 9, 2009
Is there a code that changes decimal places? Example if you have 333.333333..... can you make it say just 333
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Apr 1, 2011
I am looking to enforce the use of 3 decimal places in an input. I have found some scripts that do this, however, I also want to format it this way in case someone enters LESS than 3 decimal places. If a user enters 1.25, I want it formatted as 1.250 If a user enters 1 I want it formatted as 1.000 etc.
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Mar 16, 2010
I am new to javascript and I am attempting to output to two decimal places as its currency. As an example it currently outputs as 127.1 instead of 127.10.
[Code]....
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May 5, 2010
Is there a built in function to format a number to 2 decimal places and to add commas like below.
2,222.33
30,033.98
1,222,345,99
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May 17, 2011
rounding the quote up to two decimal places. I've seen a lot of codes and tried a bunch (math.round, tofixed, toprecision) but not exactly sure how to use them and where to put them. Calculator can be viewed here along with the code [URL]
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Nov 18, 2009
I use the following to round off to two decimal point.It works fine
function roundNumber(rnum, rlength) {
var newnumber = Math.round(rnum*Math.pow(10,rlength))/Math.pow(10,rlength);
return newnumber;
}
[Code]....
how to get two decimal place instead of 1?
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Dec 6, 2010
I have this js function:
<script type="text/javascript">
function updatesum() {
document.PaymentForm.newbalance.value = (document.PaymentForm.balance.value -0) - (document.PaymentForm.paymentamount.value -0);
}
</script>
I want to round the value of document.PaymentForm.newbalance.value to two decimal points.
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Jun 17, 2010
I have a small piece of code (taken largely from W3 Schools)that checks that there is a decimal point entered in a form field, but what I really need is to check that the number entered ends in 2 decimal places.
e.g.
10 is Invalid
10.00 is Valid
My current code is below. Can someone explain what I need to do to ensure that the user enters a number including two trailing decimal places please?
[Code]...
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May 9, 2010
This sci calculator listed in [URL] has Round function which rounds the result to a nearest integer. I wonder if it possible to easy modify it so that it would leave two numbers after decimal point when it perform rounding? The calculator's script has these codes related to Round:
<INPUT style="WIDTH: 74px; HEIGHT: 31px" onclick="Round()" type=button size=24 value=Round>
And
function Round()
{form1.display.value=Math.round(form1.display.value);}
I tried {form1.display.value=Math.round(form1.display.value,2);}, but it did no do it.
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Feb 24, 2011
Im processiing a json response
link_cart.setAttribute('id',bits[i].product_id);
link_cart.onclick = function(){
add_to_cart(bits[i].product_id);
[code].....
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Apr 3, 2010
I have an html form that I'd like to be able to edit.When I access the form I'd like for the "old" data to be displayed. I can read data into a php array and echo onto the form, but I'd like to use JSON.I use JSON other places in the app, but always read into a div.I use JQuery for the app.
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Aug 13, 2010
I need to round down to the nearest quarter hour (or .25 in decimal) via Javascript and have not come across any appropriate code yet.
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Aug 28, 2006
I want to have a normal text input field and whatever someone types should be instantly displayed at several places on the page.
So if someone types "hallo" in the input field then I want the following links to be created and fully displayed: Code:
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Jul 23, 2005
I haven't found in my CSS book how to create a gradient to fill a division
tag, and to create a border with round corners.
Is it possible using either CSS or JavaScript? I'd like to create a menu bar with a gradient in the background, and I want the top corners to be a little round with a 5px radius.
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Apr 27, 2009
I can'nt ffigure out how to round up the result of division 10/3 for example and to show only 3.33 as result
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Jan 3, 2010
First time user of Javascript and built an online calculator, trouble is I dont know where or how to code it so the answer ends with only 2 decimals
I have embedded code, Personally I think it's a miracle the darn thing works.:thumbsup: Link to page it's on [URL]...I have searched and read but after hours of trying stuff gave up.
<!--
function treevalue() {
document.volume.result.value=(((3.14159*((document.volume.radius.value)*(document.volume.radius.valu e)))*(document.volume.height.value))/3)*(document.volume.base.value)*(document.volume.e.value)*(document.volume.fv.value)*(document.volum e.l.value);
[Code]...
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Nov 8, 2011
Just started to learn java & came up with the following, but can't get the math.round to work. Anyone able to tell me where I'm going wrong please ? code...
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Jul 22, 2002
To round off a value to a specified number of digits:
function RoundIt(Value,Digits) {
var P=Math.pow(10,Digits);
var R=Math.round(Value*P)/P;
var G=true;
while(G) {
R=String(R);
var L=R.length;
var I=R.indexOf('.');
if (I == -1) {
R=R+'.'
} else {
var D=L-I-1;
if (D < Digits) {
R=R+Ɔ'
} else {
G=false;
}
}
}
return R;
}
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Jun 22, 2011
When rounding these 2 numbers in PHP and JS i get the following results:
22.044960000000003
PHP = 22.04
JS = 22.05 [code].....
}
I have tried many functions but cant seem to produce the same result as the PHP round. Does anyone have a solution to how can i get the same result using JS?
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Mar 3, 2010
Recently in my IT class, we made a HTML page which would open a popup box, where the user could enter a key word. When the user pressed enter, the page would navigate to a specific page. The code we used was:
<script language = "JavaScript">
where = window.prompt ("Please tell me where you would like to go.");
switch (where){[code].....
implement this code on my workplaces server, and have the keywords link to other html documents within the server. However when I tested this, for some reason the links are not working.
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Apr 12, 2011
I am using a slider on a website imdesigning, I dont know javascript but have chnaged as many parameters to get it working 95% The last bit is to get it to display 2Decimal places
[Code]....
more or less it works by sliding the slider and it shows how many credits you get for an amount, how the cost appears as either no decimal palces or 1 decimal places and I would like it as two..
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