JavaScript syntax: Difference between revisions

Revision as of 19:19, 3 May 2021

Revision as of 07:26, 19 May 2021

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console.log(true === !!2); // true.... data types and values match

console.log(true === !!0); // false... data types match, but values differ

console.log( 1 ? true : false); // true.... only ±0 and NaN are “falsy”"falsy" numbers

console.log("0" ? true : false); // true.... only the empty string is “falsy”"falsy"

console.log(Boolean({})); // true.... all objects are “truthy”"truthy"

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