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javascript - 如何在点击时将 z-index 较高的 div 调用到顶部?

转载 作者:行者123 更新时间:2023-11-28 07:25:02 25 4
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目前,我的网站右侧有 2 个抽屉/菜单,1 个用于购物车,1 个用于产品快速查看选项。

我使用 Shopify Timber Framework 构建了我的主题并且抽屉当前滑开(#PageContainer 在单击时向左移动以显示抽屉)。

我需要更改 JS,以便单击时 z-index 发生变化,以便调用的正确抽屉位于堆栈中的最高位置。

我不太擅长 JS,所以不确定这是否是一个简单的任务?

任何帮助将不胜感激!

我的代码如下:

更新:链接至 Dev Store

JS:

timber.Drawers = (function () {
var Drawer = function (id, position, options) {
var defaults = {
close: '.js-drawer-close',
open: '.js-drawer-open-' + position,
openClass: 'js-drawer-open',
dirOpenClass: 'js-drawer-open-' + position
};

this.$nodes = {
parent: $('body, html'),
page: $('#PageContainer'),
moved: $('.is-moved-by-drawer')
};

this.config = $.extend(defaults, options);
this.position = position;

this.$drawer = $('#' + id);

if (!this.$drawer.length) {
return false;
}

this.drawerIsOpen = false;
this.init();
};

Drawer.prototype.init = function () {
$(this.config.open).on('click', $.proxy(this.open, this));
this.$drawer.find(this.config.close).on('click', $.proxy(this.close, this));
};

Drawer.prototype.open = function (evt) {
// Keep track if drawer was opened from a click, or called by another function
var externalCall = false;

// Prevent following href if link is clicked
if (evt) {
evt.preventDefault();
} else {
externalCall = true;
}

// Without this, the drawer opens, the click event bubbles up to $nodes.page
// which closes the drawer.
if (evt && evt.stopPropagation) {
evt.stopPropagation();
// save the source of the click, we'll focus to this on close
this.$activeSource = $(evt.currentTarget);
}

if (this.drawerIsOpen && !externalCall) {
return this.close();
}

// Add is-transitioning class to moved elements on open so drawer can have
// transition for close animation
this.$nodes.moved.addClass('is-transitioning');
this.$drawer.prepareTransition();

this.$nodes.parent.addClass(this.config.openClass + ' ' + this.config.dirOpenClass);
this.drawerIsOpen = true;

// Run function when draw opens if set
if (this.config.onDrawerOpen && typeof(this.config.onDrawerOpen) == 'function') {
if (!externalCall) {
this.config.onDrawerOpen();
}
}

if (this.$activeSource && this.$activeSource.attr('aria-expanded')) {
this.$activeSource.attr('aria-expanded', 'true');
}

// Lock scrolling on mobile
this.$nodes.page.on('touchmove.drawer', function () {
return false;
});

this.$nodes.page.on('click.drawer', $.proxy(function () {
this.close();
return false;
}, this));
};

Drawer.prototype.close = function () {
if (!this.drawerIsOpen) { // don't close a closed drawer
return;
}

// deselect any focused form elements
$(document.activeElement).trigger('blur');

// Ensure closing transition is applied to moved elements, like the nav
this.$nodes.moved.prepareTransition({ disableExisting: true });
this.$drawer.prepareTransition({ disableExisting: true });

this.$nodes.parent.removeClass(this.config.dirOpenClass + ' ' + this.config.openClass);

this.drawerIsOpen = false;

this.$nodes.page.off('.drawer');
};
return Drawer;
})();

CSS/SASS:

.js-drawer-open {
overflow: hidden;
}

.drawer {
position: fixed;
display: block;
overflow-y: auto;
overflow-x: hidden;
-webkit-overflow-scrolling: touch;
top: 0;
bottom: 0;
padding: 0 ($gutter / 2) ($gutter / 2);
max-width: 95%;
z-index: $zindexDrawer;
color: $colorDrawerText;
background-color: $colorDrawers;
@include transition($drawerTransition);

a {
color: $colorDrawerText;

&:hover,
&:focus {
opacity: 0.7;
}
}

input,
textarea {
border-color: $colorDrawerBorder;
}
}

.drawer-inner {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
padding: 15px 15px 0;
overflow: auto;
-webkit-overflow-scrolling: touch;
}

.drawer--has-fixed-footer .drawer__inner {
overflow: hidden;
}

.drawer--left {
width: $drawerNavWidth;
left: 0;
border-right: 1px solid $colorDrawerBorder;

.js-drawer-open-left & {
display: block;

.lt-ie9 & {
left: 0;
}
}
}

.drawer--right {
width: $drawerCartWidth;
right: 0;
border-left: 1px solid $colorDrawerBorder;

.js-drawer-open-right & {
display: block;

.lt-ie9 & {
right: 0;
}
}
}

.drawer--right-two {
width: $drawerQuickShopWidth;
right: -$drawerQuickShopWidth;
border-left: 1px solid $colorDrawerBorder;

.js-drawer-open-right-two & {
display: block;
@include transform(translateX(-$drawerQuickShopWidth));

.lt-ie9 & {
right: 0;
}
}
}

#PageContainer {
position: relative;
background-color: #fff;
overflow: hidden;
z-index: 10000;
}

.is-moved-by-drawer {
@include transition($drawerTransition);

.js-drawer-open-left & {
@include transform(translateX($drawerNavWidth));
}

.js-drawer-open-right & {
@include transform(translateX(-$drawerCartWidth));
}

.js-drawer-open-right-two & {
@include transform(translateX(-$drawerQuickShopWidth));
}
}

最佳答案

为您的两个抽屉指定一个公共(public)类,然后查询已单击其中一个抽屉的文档。设置两个抽屉的 z-index,然后将单击的抽屉的 z-index 设置为更高的值!

window.onload = function() {

[].forEach.call(document.querySelectorAll('.drawers'), function(el) {
el.addEventListener('click', drawerOpened);
});

function drawerOpened()
{
$('.drawers').css('z-index', '50');
$(this).css('z-index', '60');
}
)};

关于javascript - 如何在点击时将 z-index 较高的 div 调用到顶部?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29775163/

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