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search in javascript


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);
Comment

javascript search bar

// 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";                 
        }
    }
}
Comment

search in javascript

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).
Comment

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