_.truncate([string=''], [options=])
截断string
字符串,如果字符串超出了限定的最大值。 被截断的字符串后面会以 omission 代替,omission 默认是 "..."。
添加版本
4.0.0
参数
[string='']
(string): 要截断的字符串。[options=]
(Object): 选项对象。[options.length=30]
(number): 允许的最大长度。[options.omission='...']
(string): 超出后的代替字符。[options.separator]
(RegExp|string): 截断点。
返回
(string): Returns the truncated string.
例子
_.truncate('hi-diddly-ho there, neighborino');
// => 'hi-diddly-ho there, neighbo...'
_.truncate('hi-diddly-ho there, neighborino', {
'length': 24,
'separator': ' '
});
// => 'hi-diddly-ho there,...'
_.truncate('hi-diddly-ho there, neighborino', {
'length': 24,
'separator': /,? +/
});
// => 'hi-diddly-ho there...'
_.truncate('hi-diddly-ho there, neighborino', {
'omission': ' [...]'
});
// => 'hi-diddly-ho there, neig [...]'