/TypeScript/How to use indexOf in typesript

How to use indexOf in typesript

var array = [2, 9, 9];
array.indexOf(2);     // 0
array.indexOf(7);     // -1
array.indexOf(9, 2);  // 2
array.indexOf(2, -1); // -1
array.indexOf(2, -3); // 0

Source: developer.mozilla.org

Similar codes

2 votes264 views3 answers
Print array elements with space c++
TypeScript
0 vote240 views1 answer
E typescript
TypeScript
3 votes279 views2 answers
Sort array by date typescript
TypeScript
0 vote291 views2 answers
Bootstrap dropdown menu not showing
TypeScript
0 vote246 views1 answer
Uat testing vs system testing
TypeScript
0 vote236 views1 answer
Four basic components that information system consists of
TypeScript
0 vote279 views1 answer
How to specify output directory in TypeScript?
TypeScript
0 vote249 views1 answer
Text input detect return key react native
TypeScript
2 votes239 views1 answer
Media breakpoints bootstrap 4
TypeScript
0 vote260 views1 answer
Paint effects will render natively in maya software and maya hardware 2.0 render. Command will enable paint effects to render in Arnold or ay third-party render:
TypeScript