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“String” Methods
_.padStart([string=''], [length=0], [chars=' '])
Pads string on the left side if it's shorter than length. Padding characters are truncated if they exceed length.
引入版本
4.0.0
参数
[string='']
(string)
: The string to pad.
[length=0]
(number)
: The padding length.
[chars=' ']
(string)
: The string used as padding.
返回值
(string)
: Returns the padded string.
示例
_.padStart('abc', 6);// => ' abc' _.padStart('abc', 6, '_-');// => '_-_abc' _.padStart('abc', 3);// => 'abc'