How to pass array parameters to the background controller in js

Below I will share with you a method of passing array parameters to the background controller in js. It has a good reference value and I hope it will be helpful to everyone.

Pass the parameter to pass the string, so you need to convert the array into a string,

var arr=[1,23,34,5];
var str = arr.toString();

str is passed to the background , str.split(" , "); Split the string into elements.

var arr=[1,23,34,5];
var str = arr.toString();
document.write(str);
var getArr = str.split(",");
for(var i=0;i<getArr.length;i++){
 document.write(getArr[i]+"|");
}

The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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