andselisk
andselisk
Programming language:Javascript
2021-03-19 14:02:12
0
Q:

indexof js mdn

projetmbc
projetmbc
Code: Javascript
2021-02-11 11:22:39 
"Blue Whale".indexOf("Blue");     // retorna  0
"Blue Whale".indexOf("Blute");    // retorna -1
"Blue Whale".indexOf("Whale", 0); // retorna  5
"Blue Whale".indexOf("Whale", 5); // retorna  5
"Blue Whale".indexOf("Whale", 7); // retorna -1
"Blue Whale".indexOf("");         // retorna  0
"Blue Whale".indexOf("", 9);      // retorna  9
"Blue Whale".indexOf("", 10);     // retorna 10
"Blue Whale".indexOf("", 11);     // retorna 10
1
EdwardL
EdwardL
Code: Javascript
2021-02-04 09:48:36 
array.indexOf(searchElement, [initialPoint = 0])

// the indexOf() always returns the first index that the element can be found, else it returns -1
0

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