Javascript Course

A simple JavaScript function that returns the zodiac sign according to day and month.
- Click to select it.
function zodiac(day, month){
 // returns the zodiac sign according to day and month ( https://coursesweb.net/ )
 var zodiac =['', 'Capricorn', 'Aquarius', 'Pisces', 'Aries', 'Taurus', 'Gemini', 'Cancer', 'Leo', 'Virgo', 'Libra', 'Scorpio', 'Sagittarius', 'Capricorn'];
 var last_day =['', 19, 18, 20, 20, 21, 21, 22, 22, 21, 22, 21, 20, 19];
 return (day > last_day[month]) ? zodiac[month*1 + 1] : zodiac[month];
}

var z_sign = zodiac(15, 10); // 15 - October

document.write(z_sign); // Libra

Example, displays zodiac sign according to selected day and month:

<h4 id='s_zodiac'>Here it will display the Zodiac sign</h4><form action='#' method='post'>
<p>Select the day and month, then click the button.</p>
 Day: <select id='s_days'><option value='1'>1</option><option value='2'>2</option><option value='3'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='11'>11</option><option value='12'>12</option><option value='13'>13</option><option value='14'>14</option><option value='15'>15</option><option value='16'>16</option><option value='17'>17</option><option value='18'>18</option><option value='19'>19</option><option value='20'>20</option><option value='21'>21</option><option value='22'>22</option><option value='23'>23</option><option value='24'>24</option><option value='25'>25</option><option value='26'>26</option><option value='27'>27</option><option value='28'>28</option><option value='29'>29</option><option value='30'>30</option><option value='31'>31</option></select> - 
 Month: <select id='s_m'><option value='1'>January</option><option value='2'>February</option><option value='3'>March</option><option value='4'>April</option><option value='5'>May</option><option value='6'>June</option><option value='7'>July</option><option value='8'>August</option><option value='9'>September</option><option value='10'>October</option><option value='11'>November</option><option value='12'>December</option></select>
 <input type='button' id='test_z' value='Zodiac sign' />
</form>

<script>
function zodiac(day, month){
 // returns the zodiac sign according to day and month ( https://coursesweb.net/ )
 var zodiac =['', 'Capricorn', 'Aquarius', 'Pisces', 'Aries', 'Taurus', 'Gemini', 'Cancer', 'Leo', 'Virgo', 'Libra', 'Scorpio', 'Sagittarius', 'Capricorn'];
 var last_day =['', 19, 18, 20, 20, 21, 21, 22, 22, 21, 22, 21, 20, 19];
 return (day > last_day[month]) ? zodiac[month*1 + 1] : zodiac[month];
}
document.getElementById('test_z').onclick = function(){
 document.getElementById('s_zodiac').innerHTML = zodiac(document.getElementById('s_days').value, document.getElementById('s_m').value);
}
</script>

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which tag is used to add lists into <ul> and <ol> elements?
<dt> <dd> <li>
<ul>
 <li>http://coursesweb.net/html/</li>
 <li>http://coursesweb.net/css/</li>
</ul>
Which value of the "display" property creates a block box for the content and ads a bullet marker?
block list-item inline-block
.some_class {
  display: list-item;
}
Which instruction converts a JavaScript object into a JSON string.
JSON.parse() JSON.stringify eval()
var obj = {
 "courses": ["php", "javascript", "ajax"]
};
var jsonstr = JSON.stringify(obj);
alert(jsonstr);    // {"courses":["php","javascript","ajax"]}
Indicate the PHP class used to work with HTML and XML content in PHP.
stdClass PDO DOMDocument
$strhtml = '<body><div id="dv1">CoursesWeb.net</div></body>';
$dochtml = new DOMDocument();
$dochtml->loadHTML($strhtml);
$elm = $dochtml->getElementById("dv1");
echo $elm->nodeValue;    // CoursesWeb.net
Zodiac Signs JavaScript code

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