find index of substring code example
Example 1: python string indexof
s = "mouse"
animal_letter = s.find('s')
print animal_letter
Example 2: js indexof string
const paragraph = 'The quick brown fox';
console.log(paragraph.indexOf('T'));
>> 0
console.log(paragraph.indexOf('h'));
>> 1
console.log(paragraph.indexOf('Th'));
>> 0
console.log(paragraph.indexOf('he'));
>> 1
console.log(paragraph.indexOf('x'));
>> 18