Of course, it also represents integers, but the maximum representable value is 2^53, corresponding to the Number. This primitive type allows you to represent 64-bit floating-point numbers. BigInt and arbitrary precision integersĪs you know, JavaScript has only one data type for numbers: the Number type. The new ES2020 specifications introduce a new data type, a standardized global object, and a few methods that simplify the developer's life. This addition simplifies your code and keeps the symmetry between import and export statements. Now, you can get the same result with one statement, as shown below: export * as MyModule from "./my-module.js" getElementById ( "btnBooks" ) let bookList = ītnBooks. This is great news because we can now load JavaScript modules at runtime as in the following example: const baseModulePath = "./modules" const btnBooks = document. Also, the module specifier can be any expression returning a string. The statement accepts a module specifier as an argument and returns a promise. The new import ( ) statement solves these issues by allowing you to import modules dynamically. Also, evaluating each dependent module at load time affects the performance of the application. These constraints prevent loading modules conditionally or on-demand.
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