Nov 12, 2024 · For example, if you try to compare a number and a string: 1 == "1" // true. Behind the scenes, JavaScript will convert the string "1" to the number 1 under the hood. This allows …

May 22, 2012 · However, the includes() method can simply be used: exampleMethode(): boolean { return ['string1', 'string2'].includes(this.exampleObject); } The return of this method will do …

Sep 9, 2014 · Should you use == or === to compare with Boolean / boolean values in js? Problem is: > true == new Boolean(true) < true > true === new Boolean(true) < false same goes for …

Apr 14, 2011 · If one of the operands is a boolean, convert the boolean operand to 1 if it is true and +0 if it is false. When comparing a number to a string, try to convert the string to a numeric …

When comparing different types in Javascript, it will try to convert one of the operands to the other's type. When an empty array is converted into an integer, it returns a 0. When an array is …

Converting a one-element array to a string is akin to converting the contained element to the string: [ "property" ] . toString ( ) ; // -> 'property' Number.toFixed() display different numbers

Oct 11, 2014 · Actually just !a == !b is enough to guarantee a boolean comparison. If you want to force number, +a == +b will work. String is "" + a == "" + b. (this is mentioned in note 1 in the …

Mar 17, 2020 · I am going to analyze several internet memes that make fun of javascript. It is a good opportunity to explain each one of them and that the results obtained are not language …

Aug 20, 2024 · Here‘s what the ECMAScript 5 specification says: If Type (x) is Number and Type (y) is String, return the result of the comparison x == ToNumber (y). So "0" gets coerced to a …

One of the most famous JavaScript memes is "Why is [] + [] equal to an empty string?", which highlights JavaScript’s unusual type conversions.