Question

I have some input text field in a form that have name with this format:
sometext[234][sometext]

Something like <input type="text" name="user[2][city]" />

I need obtain ‘user’,’2′ and ‘city’ with split function.

Thank you

Answer 1

I guess a regular expression fits better here.

var res = document.getElementsByTagName('input')[0].getAttribute('name').match(/^(\w+)?\[(\d+)?\]\[(\w+)?\]$/);

console.log(res[1]); // === "user"
console.log(res[2]); // === "2"
console.log(res[3]); // === "city"