javascript string indexOf -1 code example
Example 1: js find index of string in string
// Find the index of a string in a given sentence
function findNemo(sentence) {
let indexOfFirst = sentence.split(' ').indexOf('Nemo') + 1;
if(indexOfFirst >= 0){
return `I found Nemo at ${indexOfFirst}!`;
}
return ("I can't find Nemo :(");
}
console.log(findNemo("I am finding Nemo !")); //"I found Nemo at 4!"
console.log(findNemo("Nemo is me")); //"I found Nemo at 1!"
console.log(findNemo("I Nemo am")); //"I found Nemo at 2!"
Example 2: js indexof string
str.indexOf(searchValue[, fromIndex])