var str = "Please locate where 'locate' occurs!";
var ind1 = str.indexOf("locate"); // return location of first value which founded
var ind2 = str.lastIndexOf("locate"); // return location of last value which founded
var ind3 = str.indexOf("locate", 15); // start search from location 15 and then take first value which founded
var ind4 = str.search("locate");
//The search() method cannot take a second start position argument.
//The indexOf() method cannot take powerful search values (regular expressions).
document.write("<br>" + "Length of string:", len);
document.write("<br>" + "indexOf:", ind1);
document.write("<br>" + "index of last:", ind2);
document.write("<br>" + "indexOf with start point:", ind3);
document.write("<br>" + "search:", ind4);
// JavaScript code
function search_animal() {
let input = document.getElementById('searchbar').value
input=input.toLowerCase();
let x = document.getElementsByClassName('animals');
for (i = 0; i < x.length; i++) {
if (!x[i].innerHTML.toLowerCase().includes(input)) {
x[i].style.display="none";
}
else {
x[i].style.display="list-item";
}
}
}
str.indexOf("locate"); // return location of first find value
str.lastIndexOf("locate"); // return location of last find value
str.indexOf("locate", 15); // start search from location 15 and then take first find value
str.search("locate");
//The search() method cannot take a second start position argument.
//The indexOf() method cannot take powerful search values (regular expressions).