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Editor to share with you how JavaScript uses the clone function, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Clone: cloning data, but deep cloning

The original type, time, regularity, error, array and object cloning rules are listed here, and others can be supplemented by themselves.

Function clone (value, deep) {if (isPrimitive (value)) {return value} if (isArrayLike (value)) {/ / is a class array value = Array.prototype.slice.call (vall) return value.map (item = > deep? Clone (item, deep): item)} else if (isPlainObject (value)) {/ / is the object let target = {}, key; for (key in value) {value.hasOwnProperty (key) & & (target [key] = deep? Clone (value [key], value [key])}} let type = getRawType (value); switch (type) {case 'Date': case' RegExp': case 'Error': value = new window [type] (value); break;} return value} this is all of the article "how JavaScript uses clone functions". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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