All snippets in “JavaScript”

These are a collection of tips and tricks you can use to improve the performance and readability of your code.

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If an arrow function immediately returns a value, we don’t have to write the return keyword. The function will still implicitly return that value.

We can hide the repetition in a function’s parameters in a higher-order function.

Template literals allow us to put the values of variables, the results of calculations, and even return values of function calls into strings.

We can create a sequence of numbers by spreading the keys of one array into another array. We can then change that range any way we like.

We can skip the return keyword if arrow functions immediately return a value. If that value is an object, we need to also wrap it in parentheses.

We usually want to compare two values using three equal signs in JavaScript. There is one exception where two equal signs are more practical.