Question

How to use TypedArray.indexOf() to get the first index when element found in the typed array in JavaScript

Answer 1

// typedarray.indexOf(searchElement[, fromIndex = 0])

var arr = new Uint8Array([10, 7, 13, 14, 31, 13, 100]);

document.write(arr.indexOf(7) + "<br />");
document.write(arr.indexOf(400) + "<br />");
document.write(arr.indexOf(13) + "<br />");
document.write(arr.indexOf(13, 4) + "<br />");
document.write(arr.indexOf(7, -2) + "<br />");
document.write(arr.indexOf(7, -234) + "<br />");

/*
run:

1
-1
2
5
-1
1

*/

 

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