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2025-09-23 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article focuses on "how javascript converts characters into numbers". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how javascript converts characters into numbers.
Conversion method: 1, use Number () function, syntax "Number (value)"; 2, use parseInt () function, syntax "parseInt (" value ")"; 3, use parseFloat () function, syntax "parseFloat (" value ")".
The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.
Javascript converts characters to numbers
Method 1: use the Number () function
Syntax: Number (value)
Number () converts parameter values to numbers.
Console.log (Number ("1")); / / return value 1console.log (Number (true)); / / return value 1
Method 2: use the parseInt () function
ParseInt () converts the value to an integer.
Console.log (parseInt ("123abc")); / / returns the number 123console.log (parseInt ("1.73")); / / returns the number 1
Method 3: use the parseFloat () function
ParseFloat () converts a value to a floating-point number.
Console.log (parseFloat ("1.234.5")); / / returns a value of 1.234. I believe you have a better understanding of "how javascript converts characters into numbers". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!
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