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This article introduces the relevant knowledge of "what is the meaning of es6 grammatical sugar". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Es6 syntax sugar means that the syntax of an operation can be expressed more easily in the programming language; the use of syntax sugar can increase the readability of the program, thus reducing the chance of errors in the program code. The new syntax sugar added by ES6 can also be realized by ES5, but it will be slightly more complicated.

This tutorial operating environment: windows10 system, ECMAScript version 6. 0, Dell G3 computer.

What does es6 grammar mean by sugar?

Understanding of grammatical sugar:

It refers to some kind of syntax added to the computer language, which has no effect on the function of the language, but is more convenient for programmers to use. Generally speaking, the use of syntax sugar can increase the readability of the program, thus reducing the chance of errors in the program code.

The syntax sugar added by ES6 can actually be implemented by ES5, but it will be a little more complicated.

In computer science, syntactic sugar refers to the syntax in which an operation can be expressed more easily in a programming language, which makes it easier for programmers to use the language: the operation can become clearer, more convenient, or more in line with the programmer's programming habits.

For example, many programming languages provide syntax for referencing and updating arrays

In essence, the access to array elements is even as follows:

Provide an array and subscript vector, and then call the function

Get_array (Array, vector (I, j)).

Instead, many programming languages provide the following syntax to access array elements Array [I, j].

Similarly, update array elements can be expressed as

Set_array (Array, vetor (I, j), value)

But many programming languages provide the following syntax to update array elements

Array [I, j]: = value.

Specifically, grammatical candy refers to a component in a language, which does not affect the function and expressive ability of the language when it is removed. For example, the tag a [I] in C is the grammatical sugar of * (axii).

A popular explanation

With the addition of sugar, it becomes sweet, but the nature does not change, that is, the code function is the same before and after adding sugar.

It tastes better with sugar, the code is smoother and the understanding is more natural.

Simply put, grammatical candy is a convenient way to write.

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