startsWith
INFO
This function is only available in es-toolkit/compat for compatibility reasons. It either has alternative native JavaScript APIs or isn’t fully optimized yet.
When imported from es-toolkit/compat, it behaves exactly like lodash and provides the same functionalities, as detailed here.
Checks if a string contains another string at the beginning of the string.
Checks if one string startsWith another string. Optional position parameter to start searching from a certain index.
Signature
typescript
function startsWith(str: string, target: string, position: number = 0): string;Parameters
str(string): The string that will be searched.target(string): The string that it should contain at the start.position(number, optional): The offset to start searching in the str string.
Returns
(boolean) Whether or not the str string starts with the target string
Examples
typescript
import { startsWith } from 'es-toolkit/compat';
startsWith('fooBar', 'foo'); // returns true
startsWith('fooBar', 'Bar'); // returns false
startsWith('fooBar', 'abcdef'); // returns false
startsWith('fooBar', 'Bar', 3); // returns true