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How to prevent a click on a '#' link from jumping to top of page?
...
In jQuery, when you handle the click event, return false to stop the link from responding the usual way prevent the default action, which is to visit the href attribute, from taking place (per PoweRoy's comment and Erik's answer):
$('a.someclass').click(function(e)
{
// Special st...
How to show Page Loading div until the page has finished loading?
...he div and image to your CSS:
#loading {
width: 100%;
height: 100%;
top: 0;
left: 0;
position: fixed;
display: block;
opacity: 0.7;
background-color: #fff;
z-index: 99;
text-align: center;
}
#loading-image {
position: absolute;
top: 100px;
left: 240px;
z-index: 100;
}
...
App Inventor 2 标签内容过多，如何做到可上下滑动？ · App Inventor 2 中文网
...e.clientX - element.offsetLeft; offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + '...
App Inventor 2 MenuSlide 拓展：滑动菜单效果 · App Inventor 2 中文网
...e.clientX - element.offsetLeft; offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + '...
App Inventor 2 SideBarV2 侧边栏拓展 · App Inventor 2 中文网
...e.clientX - element.offsetLeft; offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + '...
App Inventor 2 AlphaDialog 对话框扩展 · App Inventor 2 中文网
...e.clientX - element.offsetLeft; offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + '...
App Inventor 2 Markdown 自研拓展：Markdown 格式渲染、转换为HTML、生成...
...e.clientX - element.offsetLeft; offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + '...
App Inventor 2 使用 MaterialIcons 图标字体，快捷展示专业图标 · App Inventor 2 中文网
...e.clientX - element.offsetLeft; offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + '...
App Inventor 2 BaiduFanyi拓展：请求百度翻译WebAPI方式的拓展 · App Inventor 2 中文网
...e.clientX - element.offsetLeft; offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + '...
App Inventor 2 “虚拟”屏幕：同一屏幕展示多屏内容，模拟切换屏幕 · App...
...e.clientX - element.offsetLeft; offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + '...