* speed是页面滚动的速度 * @param {number} speed */ scrollToBottom(speed?: number): void { speed = speed || 400; if ( this.directiveScroll ) { // this.directiveScroll.update(); setTimeout(() => { this.directiveScroll.scrollToElement('#nearday' , 0 , speed); //页面滚动到nearda...
If you prefer a CDN hosted version (which might speed up your load times), check out cdnjs.com/libraries/angular-scroll. Don't forget to add duScroll to your module dependencies. angular.element Scroll API This module extends the angular.element object with a few jQuery like functions. Note...
It's also supported by chrome,firefox,safari and IE cause of the html,body element . Thanks Andy for the example, this was very helpful. I ended implementing a slightly different strategy since I am developing a single-page scroll and did not want Angular to refresh when using the hashbang...
文件上传是通过ajax操作上传,使用FormData形式,主要有以下问题要解决. 怎么获得input框所选中的文件(为input绑定change事件,然后获取$event,文件就是event.srcElement.files[0]) 怎么上传到服务器?(使用formData对象,调用其append方法添加文件,再使用angular2的http组件post上去)uploadAvatar(file: any): Promise<any>{ ...
在触发滚动到页面顶部的事件处理函数中,使用nativeElement属性来获取到iframe元素的原生DOM对象,并调用其contentWindow属性来获取到iframe内部的window对象。然后,使用scrollTo方法将页面滚动到顶部。示例代码如下: 代码语言:txt 复制 scrollToTop() { const iframeWindow = this.myIframe.nativeElement.contentWindow; ifr...
privatescrollToFirstInvalidControl(formControlName:string) {constfirstInvalidControl: HTMLElement =this.el.nativeElement.querySelector("#fieldCardID_"+formControlName );if(firstInvalidControl !=null) { window.scroll({ top:this.getTopOffset(firstInvalidControl), ...
window.scrollBy(0,element.getBoundingClientRect().top-this.topOffset); // If we are very close to the top (<20px), then scroll all the way up. // (This can happen if `element` is at the top of the page, but has a small top-margin.) ...
Let me explain the essential parts of that HTML example. First of all, theiscrolldirective is an attribute of an element belonging to theiscroll-wrapperclass, which wraps an element of theiscroll-scrollerclass. Those two classes are defined in theSASSfiledist/lib/scss/_iscroll.scss, but th...
div的内容宽度可以根据用户要求使用clientWidth和scrollWidth属性动态获取。如果用户想知道实际显示内容所需的空间(包括填充所占用的空间,但不包括滚动条,边距或边框),则用户可以使用以下任何过程将返回内容的整个内容的宽度。元件。 使用Element.ClientWidth属性
Host在这里是宿主的意思,@Host这个装饰器将会限定查询的范围在宿主元素(host element)以内。什么是宿主元素呢?假如B组件是A组件模板使用的组件,那么A组件实例就是B组件实例的宿主元素。组件模板产生的内容称为View(视图),同一个View对于不同组件来说可能是不同视图。如果A组件在自己的template范围内使用B组件(见图4...