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我在我的JS文件中有一个函数,我想给一个名为$ counter的PHP变量赋值。我收到一个错误:$计数器没有被定义。
继承人的PHP-代码:
<?php
$counter = 0;
foreach($res as $category){
echo '<div class="category" onmouseover="doChangeFontWeight($counter);" onmouseout="undoChangeFontWeight($counter);">';
echo '<p class="categoryDescription">'.utf8_encode($category['description']).'</p>';
echo '</div>';
$counter++;
}
?>
的Javascript:
function doChangeFontWeight(counter) {
"use strict";
document.getElementsByClassName("categoryDescription")[counter].setAttribute("style", "font-weight: 900");}