Javascript Math Object Methods - negatives to zero

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in Javascript I can't seem to find a method to set negatives to zero?

-90 becomes 0 -45 becomes 0 0 becomes 0 90 becomes 90

Is there anything like that? I have just rounded numbers.

Just do something like

value = value < 0 ? 0 : value;

or

if (value < 0) value = 0;

or

value = Math.max(0, value);

Math.sign(), Math is a built-in object that has properties and methods for mathematical the sign of the x , indicating whether x is positive, negative, or zero. Math Constructor. Unlike other global objects, the Math object has no constructor. Methods and properties are static. All methods and properties (constants) can be used without creating a Math object first.

I suppose you could use Math.max().

var num = 90;
num = Math.max(0,num); // 90

var num = -90;
num = Math.max(0,num); // 0

Math, JavaScript actually has two different representations for zero: positive zero, zero +0 , it is easy to do so using the ES6 comparison method Object.is() . How to Check if Number is Negative or Positive Using ES6's Math.Sign  If the argument is positive zero, returns 0. If the argument is negative zero, returns -0. Otherwise, NaN is returned. Description. Because sign() is a static method of Math, you always use it as Math.sign(), rather than as a method of a Math object you created (Math is not a constructor). Examples Using Math.sign()

If you want to be clever:

num = (num + Math.abs(num)) / 2;

However, Math.max or a conditional operator would be much more understandable. Also, this has precision issues for large numbers.

Is Negative Zero (-0) a Number in JavaScript?, It returns -0 if the argument passed is a negative zero. If none of the above cases match,it returns Nan. Examples: Input : Math.sign(2) Output : 1 Input  JavaScript math object is a top-level, a predefined object for mathematical constants and functions. Can not be created by the user. It is a predefined object. Mathematical properties and functions can be calculated by math.property or math.method (for example math.abs (4.568)).

Math.positive = function(num) {
  return Math.max(0, num);
}

// or 

Math.positive = function(num) {
  return num < 0 ? 0 : num;
}

Math.sign: How to Check if a Number is Positive or Negative in , Definition and Usage. The abs() method returns the absolute value of a number. var e = Math.abs(2+3);. The result of a,b,c,d, and e will be: 7.25 7.25 0 NaN 5. JavaScript Math Object: In this tutorial, we are going to learn about the Math object and its methods with examples in JavaScript. Submitted by Siddhant Verma, on October 03, 2019 JavaScript Math Object. Math is an object inbuilt in the JavaScript library that has various methods we as a programmer can use for carrying out mathematical operations.

x < 0 ? 0 : x does the job .

Javascript, Solution Use the random method in the Math object and round the results. min​); } getRandomBetweenMinAndMax(0,5); getRandomArbitrary(0,5); How It Works On Problem You want the real number or non-negative value without worrying​  All the properties and methods of Math are static and can be called by using Math as an object without creating it. Thus, you refer to the constant pi as Math.PI and you call the sine function as Math.sin(x) , where x is the method's argument.

JavaScript abs() Method, The SimpleMath object calculates the factorial number using the getFactorial error when the parameter passed to the getFactorial method is a negative number, of: • A positive number • Zero • A negative number The following code snippet  In some cases,it's possible for a -0 to be introduced into an expression as a return value of these methods even when no -0 exists as one of the parameters. For example, using Math.pow to raise -Infinity to the power of any negative, odd exponent evaluates to -0. Refer to the documentation for the individual methods. Math.floor Math.max Math.min Math.sin

JavaScript Recipes: A Problem-Solution Approach, For convenience, these functions are all stored as properties of a single Math object, so we always use the literal name Math to access them. Similarly, when a negative value becomes lower than the last representable a mathematical operation (such as division of zero by zero) yields an undefined result or an error. Math is a built-in object that has properties and methods for mathematical constants and functions. It’s not a function object. Math works with the Number type. It doesn't work with BigInt. Description. Unlike many other global objects, Math is not a constructor. All properties and methods of Math are static.

Mobile Application Development: JavaScript Frameworks, If the number is negative, NaN is returned. Description. If the value of x is 0, the return value is always -Infinity. If the value of x is negative, the return value is always NaN. Because log() is a static method of Math, you always use it as Math.log(), rather than as a method of a Math object you created (Math is not a constructor).

Comments
  • Quick JSPerf shows value = value < 0 ? 0 : value; is on top jsperf.com/negatives-to-zero
  • I like the Math.max one the most, because it only requires referencing value once
  • This one should be the accepted answer in my opinion. Just saying... :)
  • One thing to keep in mind is that both Math.max(0, NaN) and Math.max(0, undefined) return NaN so you may want to do something along these lines: Math.max(0, num) || 0
  • zero is neither positive nor negative, your function should be renamed according to that