js string format All In One

js string format All In One

/*
String.prototype.format = function() {
    var s = this;
    for (var i = 0, j = arguments.length; i < j; i++)
        s = s.replace("{" + (i) + "}", arguments[i]);
    return (s);
}
*/

String.prototype.format = function() {
    let str = this;
    console.log('str =', str);
    console.log('arguments =', arguments);
    for (let i = 0; i < arguments.length; i++) {
        str = str.replace("{" + i + "}", arguments[i]);
    }
    return str;
}

"{0}={1};expires={2};path={3}".format('name', 'value', 365, '/path');
// 'name=value;expires=365;path=/path'

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