open
Last updated: 2025-03-11 19:41:08
The open built-in function is used to open files.
open(filePath: string, mode?: '' | 'b'): string | ArrayBuffer
Parameters
Parameter | Type | Description |
filePath | string | The relative path to the file. |
mode? | '' or 'b'. | Open mode (optional). For text files, it is not necessary to specify a mode, and the return value is a string; for binary files, 'b' mode should be passed, and the return value is an ArrayBuffer. |
Return
Type | Description |
string or ArrayBuffer. | File data. |
Samples
Open files:
export default function () {let data = open('test1.json'); // Open text files by default.console.log(data); // {"a":"b"}data = open('test2.bin', 'b'); // Open binary files in 'b' mode.console.log(data); // [object ArrayBuffer]};
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