String padStart()
str.padStart(n, pad)
str
is a stringn
is an integerpad
is a string
padStart() method makes a copy of the string str
, pads given pad
string to the start of calling string str
such that the length of resulting string is n
, and returns the resulting string. original string str
is not modified. If n
is less than length of original str
, then padStart() returns original string str
as is.
Examples
1. pad string at start with '#'
to make the resulting string of length 10
.
let name = 'apple';
let output = name.padStart(10, '#');
console.log(output);
2. n
is less than length of original string
let name = 'apple';
let output = name.padStart(4, '#');
console.log(output);