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  1. There are two main ways to convert a string to a number in JavaScript. One way is to parse it and the other way is to change its type to a Number. All of the tricks in the other answers (e.g., unary plus) involve implicitly coercing the type of the string to a number.

  2. Learn how to use the parseInt method to convert a string to an integer in JavaScript. See examples, syntax, parameters, return value, browser support and more.

  3. Learn how to convert strings, numbers, dates, and booleans to different data types in JavaScript. See examples, methods, and automatic conversions.

  4. 25 lip 2024 · Learn how to use parseInt() to parse a string argument and return an integer of the specified radix. See syntax, parameters, return value, description, examples and browser compatibility of this function.

  5. 2 maj 2022 · Learn 11 ways to convert a string into a number using JavaScript, such as Number(), parseInt(), parseFloat(), and unary plus operator. See code examples, explanations, and limitations of each method.

  6. 30 sie 2022 · Learn how to use different built-in methods and operators to convert a string to a number in JavaScript. See examples of strings, numbers, and data types in JS.

  7. 16 maj 2010 · The unary + operator: value = +value will coerce the string to a number using the JavaScript engine's standard rules for that. The number can have a fractional portion (e.g., +"1.50" is 1.5). Any non-digits in the string (other than the e for scientific notation) make the result NaN. Also, +"" is 0, which may not be intuitive. var num = +str;

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