Answers for "lastindex in array js"

32

last index array javascript

var colors = ["red","blue","green"];
var green = colors[colors.length - 1]; //get last item in the array
Posted by: Guest on July-25-2019
0

lastindexof() javascript

'canal'.lastIndexOf('a');     // retorna 3
'canal'.lastIndexOf('a', 2);  // retorna 1
'canal'.lastIndexOf('a', 0);  // retorna -1
'canal'.lastIndexOf('x');     // retorna -1
'canal'.lastIndexOf('c', -5); // retorna 0
'canal'.lastIndexOf('c', 0);  // retorna 0
'canal'.lastIndexOf('');      // retorna 5
'canal'.lastIndexOf('', 2);   // retorna 2
Posted by: Guest on May-15-2020

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