如何使用常量值初始化 JavaScript 数组?

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时间:2020-10-27 00:14:38  来源:igfitidea点击:

How to initialize a JavaScript array with constant values?

javascriptarrays

提问by Zoran Marjanovic

How do you initialize a JavaScript array with constant values? For example, in C code I can write

如何用常量值初始化 JavaScript 数组?例如,在 C 代码中,我可以编写

int array[] = {1, 2, 3};

What is the equivalent in JavaScript?

JavaScript 中的等价物是什么?

回答by pavan

1: Regular:

1:常规:

 var myCars=new Array(); 
 myCars[0]="Saab";       
 myCars[1]="Volvo";
 myCars[2]="BMW";

2: Condensed:

2:浓缩:

 var myCars=new Array("Saab","Volvo","BMW");

3: Literal:

3:字面意思:

 var myCars=["Saab","Volvo","BMW"];

Refer this link: https://www.w3schools.com/jsref/jsref_obj_array.asp

请参阅此链接:https: //www.w3schools.com/jsref/jsref_obj_array.asp

回答by VisioN

In the following way:

通过以下方式:

var array = [1, 2, 3];

Read more about arrays in MDN:

MDN 中阅读有关数组的更多信息:

回答by Amrendra

Array object in javascript :

javascript 中的数组对象:

var mycars = new Array();
mycars[0] = "1";
mycars[1] = "2";
mycars[2] = "3";

or

或者

var myCars=["one","two","three"];

回答by Manish Mishra

try this:

试试这个:

var array = [1,2,3];