Question

How to use TypedArray.lastIndexOf() to get the last index of an element that found in the typed array in JavaScript

Answer 1

// typedarray.lastIndexOf(searchElement[, fromIndex = typedarray.length])

var arr = new Uint8Array([8, 11, 2, 233, 15, 51, 11, 2]);

document.write(arr.lastIndexOf(11) + "<br />");
document.write(arr.lastIndexOf(900) + "<br />");
document.write(arr.lastIndexOf(11, 2) + "<br />");
document.write(arr.lastIndexOf(11, 3) + "<br />");
document.write(arr.lastIndexOf(11, -4) + "<br />");
document.write(arr.lastIndexOf(11, -1) + "<br />");


/*
run:

6
-1
1
1
1
6 

*/

 

70+ SQL courses for beginners and professionals