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Trying to display numbers on a calc but it says it isnt a function. I've used Number(variable.toFixed(x)) before but this time it doesnt seem to work inside of a document.getlementbyid. Any help?

    if (vi === 0){
    document.getElementById('result').innerHTML = 
Number(reactant.toFixed(13));
} else if (vi >= 1 && tx === 0) {
    document.getElementById('result').innerHTML = 
Number(reactant2.toFixed(13));
} else if (vi >= 1 && tx > 0) {
    document.getElementById('result').innerHTML = 
Number(reactantspec.toFixed(13));
}

Have a look at the example below. Hope it helps.

<!DOCTYPE html>
<html>
<body>

<p>Click the button to display the fixed number.</p>

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>

<script>
function myFunction() {
    var reactant = '5.5678935436453256434';
    var n = Number(reactant).toFixed(13);
    document.getElementById("demo").innerHTML = n;
}
</script>

</body>
</html>

Why is my toFixed() function not working?, You're not assigning the parsed float back to your value var: value = parseFloat(​value).toFixed(2);. should fix things up. That there's no toFixed means that args[0] is a string, or was coerced to. @MrAleister NaN is a number, too. – Estus Flask Dec 2 '18 at 21:41

I am unsure of where reactant is coming from, but more than likely, it's a string value instead of a number.

"11.12123".toFixed(2); <-- toFixed is not a function error (becuase "11.12" is a string)

11.12123.toFixed(2); <-- Success!

You may need to convert your string to a number before running your toFixed logic:

Number("11.123").toFixed(2)

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The return value from the element id i.e document.getElementById('result').innerHTML is a String, you should convert it to an integer using parseInt()

Number.prototype.toFixed(), toFixed() returns a string representation of numObj that does not use exponential notation and has exactly digits digits after the decimal place. First of all 'isNaN' function does not REALLY check whether string represents number. For example isNaN('456a') returns true, but '456a' is not number at all. For this purpose you need other method of checking. I would suggest to use regular expressions. Then you need to parse string for compareing numbers ( i.e. price_from < price_to ).

JavaScript, The toFixed() function in JavaScript is used to format a number using fixed-point How to Check a Function is a Generator Function or not using JavaScript ? Several hundred a.toFixed is not a function errors and counting (about 5 per second) while page is loaded in Firefox and Chrome. Issue occurs when including x3dom in a third party site via <script></script> in the * <body> * of the page.

Uncaught TypeError: value.toFixed is not a function · Issue #77 , continue, you will get an error in the console "Uncaught TypeError: value.​toFixed is not a function" at line (https://github.com/istvan-ujjmesza Dismiss Join GitHub today. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

Circle Object -> n.toFixed is not a function · Issue #741 · Leaflet , I've looked at the documentation to make sure the behaviour is documented and expected I'm sure this is a Leaflet Draw code issue, not an  toFixed() returns a string representation of numObj that does not use exponential notation and has exactly digits digits after the decimal place. The number is rounded if necessary, and the fractional part is padded with zeros if necessary so that it has the specified length.

Comments
  • i guess reactant is a string then. if so convert to number before using toFixed()
  • What is reactant?
  • but when I use parseFloat to do that it treats 0.0 0.00 0.000 etc as a string anyway which means the calc doesnt render those numbers..
  • try using toFixed after you construct a number: Number(reactant).toFixed(13)
  • reactant is a string, a number that is used for the calculation in the calc
  • works great, but still only thing is its writing out 0.0000000000000 instead of 0 first
  • Your answer doesn't add any new information. Keep in mind that there are already two answers that state this.
  • I was on the verge of typing my answer and posting it while other answer popped in anyway.