jQuery Course

A free jQuery course with lessons and tutorials for beginners, with practical examples easily to lern.

Daily Test with Code Example

HTML

CSS

JavaScript

PHP-MySQL

Which type of <input> creates input fields that should contain a numeric value?

type="text" type="number" type="date"

<input type="number" name="points" min="5" max="80" />

Which CSS property allows to change the transparency of an element?

font-style opacity color

#id {
  filter:alpha(opacity=40);    /* for IE */
  opacity:0.4;
}

Click on the function that formats a number to specified number of characters.

toPrecision() exp() toFixed()

var num = 12.34567;
alert( num.toPrecision(3) );       // 12.3

Which function randomizes the order of the elements into an array?

natsort() shuffle() sort()

$lang = array(10=>"PHP", 20=>"JavaScript", "site"=>"coursesweb.net");
shuffle($lang);
var_export($lang);     // array (0=>"coursesweb.net", 1=>"PHP", 2=>"JavaScript")

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