ES6 New syntax (7) — async… await
Async means "asynchronous", as the name implies is the key word about asynchronous operations, async is only available in ES7, and we said before Promise,...
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Category: ecmascript
ES6 new syntax (6) – Generator functions
December 15, 2023
by Nigel Booth
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In the last article, we introduced Promises. Once a Promise is executed, it cannot be suspended or canceled, so ES6 introduced Generator functions. You can...
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ES new features
December 14, 2023
by Renee Hayre
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ES6: [Link] ES6 - ES12: [Link]
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ES6 Reflect mechanism
December 14, 2023
by 袁惠如
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ReflecthandlerGetSethas (like in, can traversal the prototype chain) applyCallDefineProperty (defines the property, Could refine properties describe) deletePropertyisExtensible (determine whether can expand) preventExtensionsgetPrototypeOf setPrototypeOf (read the...
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Extension of a function
December 14, 2023
by 張志偉
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Default values for the extension function parameters of the function {code... } When the function's length attribute specifies a default value, the length attribute is...
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deconstruction
December 14, 2023
by Josephine Evans-Phillips
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Array destructing according to array subscript extraction {code... } If the right-hand side is not a traversable structure (Iterator) {code... When an array member is...
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Iterator iterates over interfaces
December 14, 2023
by 李雅玲
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for.. of.. for... of... As a uniform way of traversing all data structures for traversing ordinary arrays for in traversing key value pairs for forEach...
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Extension of objects
December 14, 2023
by 賴俊賢
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Enhanced the extension of the Object literal Object. The is () Object. The assign () Object. GetOwnPropertyDescriptors () Object. The keys (), the Object. The...
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Set, Map data structure
December 14, 2023
by Jivika Randhawa
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ES6 provides a new data structure, SET. It is similar to an array, but the values of the members are unique and there are no...
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Let and block-level scopes
December 13, 2023
by Billy Mason
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Variables inside blocks are not externally accessible {code... } var effects on loops {code... } {code... } Handle event counter binding via IIFE mode {code......
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The Proxy, Reflect
December 13, 2023
by Megan Jenkins
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Proxy can be understood as a mechanism to filter and override external access by establishing a layer of "intercept" in front of the target object....
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Class Class
December 13, 2023
by 高靜宜
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The Class previously created the constructor {code... } ES6 class, can be seen as another way of writing the constructor {code... } {code... A class...
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Extension of Arrays
December 13, 2023
by Eli Meads
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Array.from()Array.of()find(),findIndex()fill()entries(),keys(),values()includes()flat() expansion operators {code... } Array.from()Array.from method is used to convert two types of objects into true arrays: Array-like objects and iterable objects (including ES6's...
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