jquery get the value of one number after the comma

Question

I am trying to draw a chart using flot jquery library.

I want to this:

if the value is 4.52124515, I want it to be 4.2

if the values is 41.215, i want it to be 41.2

this is my code

tickFormatter: function (val, axis) {
                       return val + '%';
                   }

the value i am talking about is passing through the val variable.

`val.toFixed(1) + '%';` is what you want https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed — Jamie Dunstan, Aug 21 '14 at 08:32
thank you all i didn't you about it and google did n't help me in it — Simeoni Peraparota, Aug 21 '14 at 08:33
possible duplicate of [Display two decimal places, no rounding](http://stackoverflow.com/questions/4187146/display-two-decimal-places-no-rounding) — Mr_Green, Aug 21 '14 at 08:34
@Mr_Green not duplicated, because even this toFixed adding aditional zeros as the first answer says that — Simeoni Peraparota, Aug 21 '14 at 08:36

Amir Popovich · Accepted Answer · 2014-08-21T08:38:02.547

3

Try this:

function (val, axis) {                     
    val = Math.round(val * 10) / 10;
    return val + '%';
}

using toFixed will add additional zeros.

Check the JSFiddle with values like 12.02 to see the difference.
JSFIDDLE.

edited Aug 21 '14 at 08:38

answered Aug 21 '14 at 08:32

Amir Popovich

why is that please? could you explain your answer – Simeoni Peraparota Aug 21 '14 at 08:35
1

Lets say the number is 12.34. multiply by 10 + round -> 123 -> divide by 10 -> 12.3. – Amir Popovich Aug 21 '14 at 08:39

1 Answers1