Click on the tag that creates a cell in table

<table></tr>
  <td>Cell-1</td><td>Cell-2</td>
</tr></table>

Indicate the CSS property used to specify a background image for an element

background-color background-image color

h3 {
  background-image: url("image.jpg");
}

What instruction can be used to parse all the array items?

for() [) object()

var arr = [1, "ab", "CoursesWeb.net"];
for(var i=0; i< arr.length; i++) { alert(arr[i]); };

Indicate the PHP instruction used to traverse an associative array.

for() foreach() if()

$arr =["k1"=>"v1", "k2"=>"v2", "k3"=>"v3");
foreach($arr AS $k => $v) { echo "<br/>". $k ." - ". $v; }

Ajax/vuejs/php-mysql Course