Understanding Immutable.js's Map() and List() structures will likely take you as far as you want to go with immutable programming. They have only smal
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2016-02-22 15:47:00
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Immutable.js offers methods to break immutable structures into subsets much like Array--for instance it has the all powerful slice()--and unlike Array
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2016-03-01 03:25:00
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Immutable.js provides several conversion methods to migrate one structure to another. Each Immutable.js class contains a prefixed "to" method like Map
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2016-02-22 04:22:00
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一、Immutable.js 介绍Immutable.js 官方文档 : https://immutable-js.github.io/immutable-js/关于Immutable的定义,官方文档是这样说的:Immutable data cannot be changed once created, leading to much simpler application development
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2021-05-05 19:27:46
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The Immutable.js Map() is analogous to a Javascript Object or Hash since it is comprised of key-value pairs. The Immutable.js List() is analogous to a
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2016-02-21 23:37:00
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为啥要用immutable.js呢。毫不夸张的说。有了immutable.js(当然也有其他实现库)。。才能将react的性能发挥到极致!要是各位看官用过一段时间的react,而没有用immutable那么本文非常适合你。 1,对于react的来说,如果父组建有多个子组建 想象一下这种场景,一个父组
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2016-10-26 22:59:00
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Shared mutable state is the root of all evil(共享的可变状态是万恶之源)-- Pete Hunt有人说 Immutable 可以给 React 应用带来数十倍的提升,也
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2022-06-30 18:11:40
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Shared mutable state is the root of all evil(共享的可变状态是万恶之源)-- Pete Hunt有人说 Immutable 可以给 React 应用带来数十倍的提升,也有人说 Immutable 的引入是近期 JavaScr...
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2021-07-27 20:35:56
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Immutable.js iterables offer the reduce() method, a powerful and often misunderstood functional operator on which map(), filter(), groupBy(), etc. are
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2016-02-22 03:35:00
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While Immutable.js offers .is() to confirm value equality between iterables it comes at the cost of referencing each key and value in both objects. Fo
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2016-02-26 02:43:00
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Immutable.js provides several methods to iterate over an Immutable.Map(). These also apply to the other immutable structures found within the Immutabl
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2016-03-01 03:16:00
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Immutable.js 实现原理
React PureComponent
快速比较嵌套的数据
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2020-10-30 13:09:00
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Learn how to query an Immutable.Map() using get, getIn, has, includes, find, first and last. These are powerful operators that make finding data in an...
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2015-10-18 19:42:00
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We will now look at five methods that modify an Immutable.Map().setupdatedeleteclearmerge//set()var map = Immutable.Map();var todo = { id: +new Date(...
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2015-10-18 18:16:00
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Learn how to create an Immutable.Map() through plain Javascript object construction and also via array tuples.console.clear();// Can be an objectvar m...
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2015-10-18 17:55:00
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一、Seq懒得意思就是“不运算,不执行”二、运行当console.log这个值的时候,才去观察三、任意collection四、Seq.keyed五、Seq.Indexed六、Seq.Set
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2021-05-05 19:24:56
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一、Set二、API(一)add:添加值(二)delete:删除值注意:删除后的Set是无序的(三)clear:清空并返回新Set(四)union:N个set合并为一个set(五)intersect :取N个set的交集注意是无序的(六)subtract:从set除去一些值(七)forEach循环key与value一样的(八)get:取得值get下标是没有意义的(九)has:判断是否包含指定的ke
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2021-05-05 19:25:33
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Learn how Immutable.js data structures are different from native iterable Javascript data types and why they provide an excellent foundation on which ...
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2015-10-15 02:36:00
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The key to being productive with Immutable JS is understanding how to update values that are nested. Using setIn you can place a new value directly in
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2016-11-07 19:14:00
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一、MapMap在原生的js中对应的是Object这样的结构,它都是key-value的键值对,并且它是无序的二、 API(一) set:设定值(二)delete:删除值每做一次增删改查都会把这些数据重新生成一份,如果要想删除多个key的话,对内存的消耗也是很大的,所以deleteAll是一次删除多个key,然后只返回一次新的对象(三)deleteAll:批量删除(四)clear:清除所有返回新M
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2021-05-05 19:26:24
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