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Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181 Drupal中的Javascript:this.nextElementSibling在Drupal中返回NULL,但在普通HTML文件中工作_Javascript_Html_Drupal_Accordion - Fatal编程技术网
Drupal中的Javascript:this.nextElementSibling在Drupal中返回NULL,但在普通HTML文件中工作,javascript,html,drupal,accordion,Javascript,Html,Drupal,Accordion,我有以下javascript方法尝试在HTML的某个部分上切换折叠或扩展:
<script>
var acc = document.getElementsByClassName("accordion");
var i;
for (i = 0; i < acc.length; i++) {
acc[i].onclick = function() {
this.classList.toggle("active");
我有以下javascript方法尝试在HTML的某个部分上切换折叠或扩展:
<script>
var acc = document.getElementsByClassName("accordion");
var i;
for (i = 0; i < acc.length; i++) {
acc[i].onclick = function() {
this.classList.toggle("active");
window.alert(this);
this.nextElementSibling.classList.toggle("show");
}
}
</script>
var acc=document.getElementsByClassName(“accordion”);
var i;
对于(i=0;i