get the integer after decimal in javascript
Poor Man
- Published
- Reading time
- 1 min read
- Length
- 213 words
In JavaScript, there are a couple of ways to get the integer after a decimal. The easiest way is to use the Math.round() and Math.floor() methods.
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// Use Math.round()
// Round to the nearest integer
let number = 4.6;
let roundedNumber = Math.round(number);
console.log(roundedNumber); // Output: 5
// Use Math.floor()
// Round down to the nearest integer
let number = 4.6;
let roundedNumber = Math.floor(number);
console.log(roundedNumber); // Output: 4You can also use the parseInt() and parseFloat() methods to get the integer after the decimal.
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// Use parseInt()
// Parse a string and return an integer
let number = "4.6";
let roundedNumber = parseInt(number);
console.log(roundedNumber); // Output: 4
// Use parseFloat()
// Parse a string and return a float
let number = "4.6";
let roundedNumber = parseFloat(number);
console.log(roundedNumber); // Output: 4.6You can also use the toFixed() method to convert a number to a string, keeping a specified number of decimals.
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// Use toFixed()
// Return a number as a string, keeping a specified number of decimals
let number = 4.6;
let roundedNumber = number.toFixed(0);
console.log(roundedNumber); // Output: 5These are just a few of the ways you can get the integer after a decimal in JavaScript. Depending on your requirements, you can choose the best solution for your project.