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trimStart()

trimStart(str): string

Removes leading whitespace from a string.

DEPRECATED

Use string.trimStart() directly instead.

Parameters​

str: string | null | undefined​

The string to trim.

Returns: string​

The trimmed string.

See Also​

Since​

2.0.0

Also known as​

trimStart (Lodash, es-toolkit, Effect, Modern Dash) · ❌ (Remeda, Radashi, Ramda, Antfu)

Example​

// ❌ Deprecated approach
trimStart('  hello  ');  // => 'hello  '

// ✅ Recommended approach
'  hello  '.trimStart();  // => 'hello  '

How it works?​

Removes whitespace from start of string. Deprecated: Use string.trimStart() directly (ES2019).

Native Equivalent​

// ❌ trimStart(str)
// ✅ str.trimStart()

Use Cases​

Trim leading whitespace 📌​

Remove leading whitespace.

'  hello  '.trimStart();  // 'hello  '

Clean input​

Normalize user input.

const cleaned = input.trimStart();