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.
The string that might contain the target string.
The string to search for.
Optional
position: numberAn optional offset to start searching in the str string
const isPrefix = startsWith('fooBar', 'foo') // returns true
const isPrefix = startsWith('fooBar', 'bar') // returns false
const isPrefix = startsWith('fooBar', 'abc') // returns false
const isPrefix = startsWith('fooBar', 'Bar', 2) // returns true
const isPrefix = startsWith('fooBar', 'Bar', 5) // returns false
Alias