Answers for "how to get the last index of array in javascript"

76

javascript get last element of array

var colors = ["red","blue","green"];
var green = colors[colors.length - 1];//get last item in the array
Posted by: Guest on February-19-2020
2

js last index of

const str = "Users/Edit/12345";
let idx = str.lastIndexOf("/"); // returns 10
idx = str.lastIndexOf("x"); // returns -1

idx = str.lastIndexOf("Edit") // returns 6
idx = str.lastIndexOf("edit") // returns -1 -- case sensitive

// add "from" parameter
// the search happens backwards, starting at the provided from parameter
idx = str.lastIndexOf("s"); // returns 4
idx = str.lastIndexOf("s", 3); // returns 1
Posted by: Guest on August-31-2020
1

get last element of array javascript

let colors = ["red", "yellow", "green"];
let lastELement = colors[colors.length - 1]
Posted by: Guest on September-04-2020

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