dhunmoon

if(month == 2){//Means if it is month of feborary
  if(nyear %4 == 0 && ( nyear %400 != 0 || nyear %100 !== 0 ){//Leap year statement
        return true
  }
     }else{
     return false;
     }

dhunmoon

$(document).keyup(function(e) {
     if (e.keyCode == 27) { // escape key maps to keycode `27`
        // <DO YOUR WORK HERE>
    }
});

dhunmoon

$('<div>').append($('#ID').clone()).html();

dhunmoon

/*Default string of IE 10:
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0)

Default string of IE 11:
Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko 

Default string of IE 12 (aka Edge):
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.71 Safari/537.36 Edge/12.0 

Default string of Edge 13 (thx @DrCord):

dhunmoon

function exportToCsv(filename, rows) {
        var processRow = function (row) {
            var finalVal = '';
            for (var j = 0; j < row.length; j++) {
                var innerValue = row[j] === null ? '' : row[j].toString();
                if (row[j] instanceof Date) {
                    innerValue = row[j].toLocaleString();
                };
                var result = innerValue.replace(/"/g, '""');
                if (result.search(/("|,|\n)/g) >= 0)

dhunmoon

var data = [["name1", "city1", "some other info"], ["name2", "city2", "more info"]];
var csvContent = "data:text/csv;charset=utf-8,";
data.forEach(function(infoArray, index){

   dataString = infoArray.join(",");
   csvContent += index < data.length ? dataString+ "\n" : dataString;

});
var encodedUri = encodeURI(csvContent);
window.open(encodedUri);

dhunmoon

/* Custom filtering function which will search data in column four between two values */
$.fn.dataTable.ext.search.push(
    function( settings, data, dataIndex ) {
        var min = parseInt( $('#min').val(), 10 );
        var max = parseInt( $('#max').val(), 10 );
        var age = parseFloat( data[3] ) || 0; // use data for the age column
 
        if ( ( isNaN( min ) && isNaN( max ) ) ||
             ( isNaN( min ) && age <= max ) ||
             ( min <= age   && isNaN( max ) ) ||

dhunmoon

$([
  {"name":"Lenovo Thinkpad 41A4298","website":"google222"},
  {"name":"Lenovo Thinkpad 41A2222","website":"google"}
  ])
    .filter(function (i,n){
        return n.website==='google';
    });

dhunmoon

$.grep( [{"name":"Lenovo Thinkpad 41A4298","website":"google"},{"name":"Lenovo Thinkpad 41A2222","website":"google"}], function( n, i ) {
  return n.website==='google';
});

dhunmoon

function depthOf(arr) {
    if(!Array.isArray(arr))
        throw "Not an Array"
    var depth = 1;
    var i;
    for(var i = 0; i< arr.length; i++){
        if (!Array.isArray(arr[i])) continue;

        if(Array.isArray(arr[i])){
            var depth = depthOf(arr[i]) + 1;