How to replace an item in an array with JavaScript?

Question

Each item of this array is some number.

var items = Array(523,3452,334,31, ...5346);

How do I replace some number in with array with a new on

Answer 1

Here attached the code which replace all items in array

var temp_count=0;
layers_info_array.forEach(element => {
     if(element!='')element=JSON.parse(element);//change this line if you want other change method, here I changed string to object
     layers_info_array[temp_count]=element;
     temp_count++;
});