Aug 29, 2022 · The bug seems to be that my JS reads parameters as strings rather than integers, causing my integer comparisons to fail. I have generated a small example of the error, which I also can't explain.

Nov 29, 2016 · When you "add" a number to a string the interpreter converts your number to a string and concatenates both together. When you use the - operator, however, the string is converted back into a number so that numeric subtraction may occur.

Feb 27, 2009 · To convert to an integer simply use the unary + operator, it should be the fastest way: var int = +string; Conversions to other types can be done in a similar manner: var string = otherType + ""; var bool = !!anything; More info.

Sep 25, 2017 · Javascript is amazing. Most or all of the examples with '+' and '-' and various combinations of numbers, strings that represent numbers, and strings that do not represent numbers make sense once you realize four things:

It can convert string representations of integers and floats, as well as the non-string values true, false, and null. If it cannot parse a particular value, it will evaluate to NaN.

Aug 27, 2011 · If you want to evaluate a string as an integer, use parseInt to convert the string first. If you want to check if something is "truthy" or "falsy" (using the loose conversion rules) , do not use the equal sign operator.

Oct 27, 2022 · Unlike high level languages like python or javascript, C has a clear and simple reason as to why it's characters behave the way they do. For example: '9' - 2 = 55 because the ASCII value of '9' is 57. '1' * '1' is 2401 because the ASCII value of '1' is 49.

Aug 28, 2019 · In this article I will try to demonstrate some funny / weird parts in JavaScript. Besides its flaws we are using it and we are loving it! (most of the time!)

Jan 2, 2013 · parseInt is used to grab integers from a string. Consider the following code: var myString = "3 blind mice"; var myInteger = parseInt(myString); //3 JavaScript will do automatic type conversion, so something like this: "2" * 1 + 5 //7 The string "2" gets converted to a number.

Apr 20, 2020 · JavaScript is a great and funny language with tricky weird things. So today I am going to review the 7 weird stuff with code examples. The equality operator converts both sides to numbers to compare…