Home>Article>Web Front-end> How to find the average of three numbers in javascript
Method: 1. Use the " " operator to add the three numbers and assign them to the variable "sum". The syntax is "sum=value 1 value 2 value 3"; 2. Use "/" The operator adds the sum of three numbers and divides it by 3, and assigns it to the variable "ave". The syntax is "ave=sum/3"; 3. Output the value of the variable "ave".
The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.
Javascript implements the average of three numbers
The average refers to the sum of all the data in a set of data divided by the set The number of data.
We only need to add the three numbers and then divide by 3.
For example, there are three numbers: 1, 2, 3, and their average is:
Implementation code:
var a,b,c,sum,ave; a=1; b=2; c=3; sum=a+b+c; ave=sum/3; console.log(ave);
This is If you know the specific number of data, how can you find the average if you don’t know?
We can use arrays.
//数组求元素之和 function getSum(arr) { var sum=0,ave=0,i=0; for(i=0;i【Related recommendations:javascript learning tutorial】
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