我的函数 console.log 有问题,单击后返回 3xexample 并且类打开没有添加。你能看看我的代码吗?
const accordionFunction = () => {
const accordionProduct = document.querySelectorAll(
'.cost-accordion__content-box ',
);
// eslint-disable-next-line no-plusplus
accordionProduct.forEach((element) => {
const accordionLabel = element.parentElement.querySelector(
'.cost-accordion__label',
);
const accordionContent = element.parentElement.querySelector(
'.cost-accordion__content',
);
accordionLabel.addEventListener('click', () => {
console.log('example');
accordionLabel.classList.toggle('active');
accordionContent.classList.toggle('active');
});
});
};
<div class="cost-accordion"
<div class="cost-accordion__content-box">
<div class="cost-accordion__label cost-accordion__subtitle">abc</div>
<div class="cost-accordion__content cost-accordion__description"> bcd</div>
</div>
<div class="cost-accordion__content-box">
<div class="cost-accordion__label cost-accordion__subtitle">abc</div>
<div class="cost-accordion__content cost-accordion__description"> bcd</div>
</div>
<div class="cost-accordion__content-box">
<div class="cost-accordion__label cost-accordion__subtitle">abc</div>
<div class="cost-accordion__content cost-accordion__description"> bcd</div>
</div>
</div>
谢谢 :)
答案 0 :(得分:0)
您不需要 parentElement
...您不需要查看父元素来获取标签和内容,因为它们是容器的直接子元素:
const accordionLabel = element.querySelector(
'.cost-accordion__label',
);
const accordionContent = element.querySelector(
'.cost-accordion__content',
);
一种调试方法是记录元素并查看预期的元素是否显示在控制台中:
accordionProduct.forEach((element) => {
accordionLabel.addEventListener('click', () => {
console.log('element', element);
});
})
答案 1 :(得分:0)
谢谢,它有效。我现在的 js 功能:
const accordionFunction = () => {
const accordionProduct = document.querySelectorAll(
'.cost-accordion__content-box ',
);
accordionProduct.forEach((element) => {
const accordionLabel = element.querySelector('.cost-accordion__label');
const accordionContent = element.querySelector('.cost-accordion__content');
accordionLabel.addEventListener('click', () => {
accordionLabel.classList.toggle('open');
accordionContent.classList.toggle('open');
});
});
};