padLeft

public string padLeft(int width)

public string padLeft(int minWidth, string fillWith)

The string prefixed with spaces until it reaches the specified width.

The string prefixed with the specified substring until it reaches at least the specified minimum width.

Parameters

width

The width (number of characters) to expand the string to.

Parameters

minWidth

The minimum width (number of characters) to expand the string to.

fillWith

The string to insert until the specified minimum width is reached.

Inserts spaces at the beginning of the string until it reaches the specified width (number of characters). If the string already equals or exceeds the specified width (number of characters), nothing will happen.

Inserts the specified fillWith string at the beginning of the string until it reaches at least the specified minimum width (number of characters).

If the string already equals or exceeds the specified minimum width (number of characters), nothing will happen. If the length of the fillWith string is not a multiple of the specified minimum width, the result may exceed the specified minimum width.

1 2 3 4 5 6

import System;   string a = "a"; Console.log(a.padLeft(4)); // "   a" Console.log(a.padLeft(1)); // "a" Console.log(a.padLeft(2)); // " a"

1 2 3 4 5

import System;   string one = "1"; string zeroFilled = one.padLeft(4, "0"); Console.log(zeroFilled); // "0001"