How to use the ‘+’ operator In Javascript
The + operator can be operated with the string by using it before the name of the string variable to convert it into a number.
Syntax:
+stringVariable;
Example: The below code implements the + operator to convert a string into a number.
const str = "233";
console.log("Type of str before conversion: ", typeof str);
console.log("Type of str after conversion: ", typeof +str);
Output
Type of str before conversion: string Type of str after conversion: number
Convert a String to Number in JavaScript
Converting strings to numbers in JavaScript is a fundamental operation, crucial for various tasks like handling user inputs or data processing. By converting strings to numeric values, JavaScript enables developers to perform mathematical operations and comparisons accurately, enhancing the versatility and functionality of their applications.
Table of Content
- Using the ‘+’ operator
- Using the Number() constructor
- Using the parseInt() method
- Using the parseFloat() method
- Using the Math.floor() method
- Using the Math.ceil() method
- Using the Math.round() method
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