Date

“Lang” Methods

_.cloneWith(value, [customizer])

source npm package

This method is like _.clone except that it accepts customizer which is invoked to produce the cloned value. If customizer returns undefined, cloning is handled by the method instead. The customizer is invoked with up to four arguments; (value [, index|key, object, stack]).

引入版本

4.0.0

参数
value (*) : The value to clone.
[customizer] (Function) : The function to customize cloning.

返回值
(*) : Returns the cloned value.

示例
function customizer(value) {
  if (_.isElement(value)) {
    return value.cloneNode(false);
  }
}
 
var el = _.cloneWith(document.body, customizer);
 
console.log(el === document.body);
// => false
console.log(el.nodeName);
// => 'BODY'
console.log(el.childNodes.length);
// => 0