How to execute the code not when the page is refreshed, but when the link is clicked?

Question

PHP

there is an api code that updates the data, fires when the page is refreshed, how to execute it without refreshing the page, but when a button or text is pressed?

<?
$ELEMENT_ID = 156843;  // код элемента
$PROPERTY_CODE = "Q13";  // код свойства
$PROPERTY_VALUE = "2604";  // значение свойства

// Установим новое значение для данного свойства данного элемента
CIBlockElement::SetPropertyValuesEx($ELEMENT_ID, false, array($PROPERTY_CODE => $PROPERTY_VALUE));

?>

Answer 1

A typical example of using JavaScript, in particular, AJAX technology