AI代码解释 functiondeepCopy(source){if(typeofsource!="object"){returnsource;}if(source==null){returnsource;}varnewObj=source.constructor===Array?[]:{};//开辟一块新的内存空间for(variinsource){newObj[i]=deepCopy(source[i]);}returnnewObj;} 如有错误,欢迎评论指正、共同提高。[握手] 欢迎转载,...
deep){// deep true 启动深拷贝// false 浅拷贝letobj={}// 数组对象if(origininstanceofArray)...
Array.from() 对于数组,可以使用Array.from方法进行浅拷贝: const arr1 = [1, 2, { a: 3 }]; const arr2 = Array.from(arr1); 缺点 浅拷贝只复制对象的第一层属性,如果对象包含嵌套的对象或数组,这些嵌套对象和数组的引用将被复制,而不是实际内容。这意味着修改浅拷贝中的嵌套对象或数组将影响到原对...
AI代码解释 jQuery.extend=jQuery.fn.extend=function(){varoptions,name,src,copy,copyIsArray,clone,target=arguments[0]||{},i=1,length=arguments.length,deep=false;// Handle a deep copy situationif(typeoftarget==="boolean"){deep=target;// Skip the boolean and the targettarget=...
if(source ==null) { returnsource; } varnewObj = source.constructor === Array ? [] : {};//开辟一块新的内存空间 for(variinsource) { newObj[i] = deepCopy(source[i]); } returnnewObj; } 如有错误,欢迎评论指正、共同提高。[握手]...
*deep是否深度操作 */ var options, name, src, copy, copyIsArray, clone, target = arguments[0] || {}, i = 1, length = arguments.length, deep = false; // target为第一个参数,如果第一个参数是Boolean类型的值,则把target赋值给deep ...
const [ ...newArray ]= oldArray; 二、深拷贝的实现方式 方法一:通用循环(递归) functiondeepCopy(obj) {if(typeofobj !== 'object')return; const newObj= objinstanceofArray ?[] : {};for(let keyinobj) {if(obj.hasOwnProperty(key)) { ...
if(!isObject(value)){return value}const isArr=Array.isArray(value)const tag=getTag(value)if(isArr){//数组 result=initCloneArray(value)if(!isDeep){return copyArray(value,result)}}else{//对象 const isFunc=typeof value=='function'if(isBuffer(value)){return cloneBuffer(value,isDeep)}if(...
obj[i] = (prop.constructor === Array) ? [] : Object.create(prop); } else { obj[i] = prop; } } return obj; } var person = { name: 'Mary', age: '20',grade: {English: 100} }; var teacher = {sex: 'man'}; deepCopy( person, teacher ); ...
functiondeepCopy(object) {// 只拷贝对象if(!object ||typeofobject !=="object")return;// 根据 object 的类型判断是新建一个数组还是对象letnewObject =Array.isArray(object) ? [] : {};// 遍历 object,并且判断是 object 的属性才拷贝,不处理原型上的属性for(letkeyinobject) {if(object.hasOwnProp...