Javascript Math fround()

Introduction

The Math.fround() function returns the nearest 32-bit single precision float representation of a Number. 

var singleFloat = Math.fround(doubleFloat); // doubleFloat is a Number.

If the parameter is not a number type, it will be converted to a number or to NaN if it cannot be converted. 


let a = Math.fround(1.5); // 1.5
console.log(a);//  w  ww .  java2  s. c  o m

a = Math.fround(1.337); // 1.3370000123977661
console.log(a);

a = Math.fround(2 ** 150); // Infinity
console.log(a);

a = Math.fround('abc'); // NaN
console.log(a);

a = Math.fround(NaN); // NaN
console.log(a);
console.log(Math.fround(0.4)); // 0.4000000059604645 
console.log(Math.fround(0.5)); // 0.5 
console.log(Math.fround(25.9)); // 25.899999618530273



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