JavaScript

Member 11116351 wrote:

My task

thatraja wrote:

Go with jQuery which is better than Javascript.

function repl(url) {
    return url.replace('/', '\/');
}

//the string to work with:
var httpAddress = 'http://examplesite.com/folders/images/myphoto.jpg',
    //the char(s) to look for:
    charToRemp = '/',
    //the char(s) to change to:
    rempCharWith = '\\/';

//using RegExp
function regexp_changeCharsTo(charIn, from, to) {
    var regExpFrom = RegExp(from, 'g');
    return charIn.replace(regExpFrom, to);
}

//using array map
function arrMap_changeCharsTo(charIn, from, to) {
    return charIn
        .split('')
        .map(function (chr) {
            if (chr === from) {
                return to;
            }
            return chr;
        })
        .join('');
}

//using for in loop
function forIn_changeCharsTo(charIn, from, to) {
    var fnString = '';
    for (var cr in charIn) {
        if (charIn[cr] === from) {
            fnString += to;
        } else {
            fnString += charIn[cr];
        }
    }
    return fnString;
}

//Test:
var regexp_test = regexp_changeCharsTo(httpAddress, charToRemp, rempCharWith);
var arrMap_test = arrMap_changeCharsTo(httpAddress, charToRemp, rempCharWith);
var forIn_test = forIn_changeCharsTo(httpAddress, charToRemp, rempCharWith);