Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
with fromIndex solution in Clear category for Second Index by Sim0000
import assert from "assert";
function secondIndex(text: string, symbol: string): number | undefined {
const p1 = text.indexOf(symbol);
if(p1 < 0) return undefined;
const p2 = text.indexOf(symbol, p1 + 1); // with fromIndex
return p2 < 0 ? undefined : p2;
}
console.log('Example')
console.log(secondIndex("sims", "s"))
// These "asserts" are used for self-checking and not for an auto-testing
assert.equal(secondIndex("sims", "s"), 3)
assert.equal(secondIndex("find the river", "e"), 12)
assert.equal(secondIndex("hi", " "), undefined)
assert.equal(secondIndex("hi mayor", " "), undefined)
assert.equal(secondIndex("hi mr Mayor", " "), 5)
console.log("You are awesome! All tests are done! Go Check it!");
April 24, 2020
Comments:
