how to select the last item in an array js code example

Example 1: javascript code for find the last element in array

if (loc_array[loc_array.length - 1] === 'index.html') {
   // do something
} else {
   // something else
}

Example 2: javascript array last element

var lastEle = arr.slice(-1)[0];
// or
var lastEle = arr.slice(-1).pop();