how to find last occurrence of a character in a string in javascript code example

Example 1: javascript get last n characters of string

'abc'.slice(-1); // c

Example 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

Example 3: lastindexof js

string.lastIndexOf("subString")

Example 4: find the last occurrence of a character in a string javascript

str.lastIndexOf(searchValue[, fromIndex])