ImportScripts() web worker scope of variables

Question

Does this code

if (typeof importScripts === 'function') { importScripts('somelib.js'); } //some code between if (typeof importScripts === 'function') { var i = some_function_from_imported_lib(params); //CODE CODE CODE }

is the same as

if (typeof importScripts === 'function') { importScripts('somelib.js'); var i = some_function_from_imported_lib(params); //CODE CODE CODE }

?

In other words, does it matter importScripts() is wrapped by some parenthesises or not? Does it matter for scope of functions and variables inside somelib.js?

Cerbrus · Accepted Answer · 2015-09-01 10:12:09Z

That completely depends on:

//some code between

If that "some" code doesn't have any effect on the imported lib's functions, or your parameters, then:

if (typeof importScripts === 'function') { importScripts('somelib.js'); } //some code between if (typeof importScripts === 'function') { var i = some_function_from_imported_lib(params); }

Is functionally the same as:

if (typeof importScripts === 'function') { importScripts('somelib.js'); var i = some_function_from_imported_lib(params); }

Those if blocks don't have their own scope.

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