document.getElementById('menu_ul').addEventListener('click', function(e) {
alert(e.target.innerText);
});function createChess(width, height) {
var pattern = '# '.repeat(Math.floor(width / 2) + 1 );
var odd = pattern.substr(0, width);
var even = pattern.substr(1, width + 1);
var half_height = Math.floor(height / 2);
for (var i = 0; i < half_height; i++) {
console.log(odd);
console.log(even);
}
if ((height % 2) == 1) {
console.log(odd);
}
}
createChess(8,8);var a = document.createElement('a');
a.download = 'file_name.json';
var oUrl = URL.createObjectURL(new Blob([JSON.stringify(YOUR_JSON)], {type: 'application/octet-stream'}));
a.href = oUrl;
a.click();
delete a;
URL.revokeObjectURL(oUrl);var num = 0;
for (var i = 0; i < 6; i++) {
var n = prompt('Введите число');
if ((n > num) && (n % 2 == 0)) {
num = n;
}
}var arr = [];
while (arr.length < 10) {
var n = Math.floor(Math.random() * 30) + 1;
if (arr.indexOf(n) == -1) {
arr.push(n);
}
}$ad = $data ['Andress'];
echo '<script type="text/javascript">window.location.replace('.json_encode($ad).');</script>';$( "button" ).click(function() {
$( this ).replaceWith( "<div>" + $( this ).text() + "</div>" );
});$.ajax({
type: "POST",
url: url,
data: {key: 'value'},
dataType: 'json'
});