onload

简明释义

[ˌɒnˈləʊd][ˈɑːnloʊd]

v. 装载;输入,装入(文件)

英英释义

An event that occurs when a web page or an image has finished loading.

当网页或图像加载完成时发生的事件。

A function or script that is executed automatically once the page or resource is fully loaded.

一旦页面或资源完全加载,自动执行的函数或脚本。

单词用法

onload function

加载函数

onload attribute

加载属性

execute onload

执行加载时

set onload handler

设置加载处理程序

trigger onload

触发加载

call onload method

调用加载方法

同义词

load

加载

The script runs onload of the webpage.

脚本在网页加载时运行。

initialize

初始化

The application initializes all components onload.

应用程序在加载时初始化所有组件。

ready

准备就绪

The event listener is triggered when the page is ready.

当页面准备就绪时,事件监听器被触发。

反义词

unload

卸载

The cargo was unloaded from the ship.

货物从船上卸下来了。

offload

转移负载

We need to offload some data to free up memory.

我们需要转移一些数据以释放内存。

例句

1.Also note the onload attribute: This is called when the SVG document is first loaded and is useful for performing initialisation on your SVG.

还要注意onload属性:第一次装载sVG文档时要调用这个属性,它对于您的SVG初始化很有用。

2.In addition to timestamping your domain class, you can tap into four event hooks: beforeInsert, befortUpdate, beforeDelete, and onLoad.

除了给域类添加时间戳,还可以引入4 个事件挂钩:beforeInsert、befortUpdate、beforeDelete和onload

3.This is shown in Listing 13, along with my page's onload function.

清单13展示了这一过程,以及页面的onload 函数。

4.You can use the onload event handler to test that specific fields (on which the update panel depends) are populated.

您可以使用onload事件处理程序测试该特定字段(更新面板所依赖的字段)是否已填充。

5.When the page is first loaded (onLoad event), the request handler is registered with the Ajax engine.

第一次加载此页面时(onLoadevent),请求处理程序使用Ajax引擎进行注册。

6.You can run this by putting it into the onLoad handler of your page's body element, like this

现在就可以通过将其放入页面body元素的onLoad处理程序来运行它,如下所示

7.onLoad — This function is where you place initialization code.

onLoad — 在此函数中放置初始化代码。

8.The first block contains the event handler to initialize the application (onload) and the initialization of the database, as shown in Listing 3.

第一段包含初始化应用程序的事件处理函数(onload)和数据库初始化,如清单3所示。

9.The image will be displayed once the onload="onload">onload event is triggered.

一旦触发onload="onload">onload事件,图像将被显示。

10.The video player initializes its settings during the onload="onload">onload phase.

视频播放器在onload="onload">onload阶段初始化其设置。

11.You can preload data in the background by using the onload="onload">onload event.

您可以通过使用onload="onload">onload事件在后台预加载数据。

12.Make sure to define your JavaScript code within the onload="onload">onload event handler.

确保在onload="onload">onload事件处理程序中定义您的JavaScript代码。

13.You can execute a function when the page loads using the onload="onload">onload attribute.

您可以使用onload="onload">onload属性在页面加载时执行一个函数。

作文

In the world of web development, understanding how elements load on a webpage is crucial for creating a smooth user experience. One important concept related to this is the event known as onload, which refers to the moment when a webpage or an element within it has fully loaded. The onload event can be particularly useful when you want to execute JavaScript code only after all resources, such as images and scripts, have been completely downloaded. This ensures that the elements you are trying to manipulate are ready for interaction.For instance, consider a scenario where you are building a photo gallery website. You want to display images in a way that enhances the browsing experience. If you try to manipulate the image elements before they have fully loaded, you might encounter errors or unexpected behavior. By using the onload event, you can set up your JavaScript functions to run only after the images are fully loaded. This way, you can ensure that the layout is correct and that all images are displayed properly.Another common use of the onload event is in form validation. When a user submits a form, it's essential to check if all required fields are filled out correctly. By attaching an onload event to the form, you can initialize the validation process right after the form loads. This provides immediate feedback to the user, enhancing their experience and reducing the likelihood of errors during submission.Moreover, the onload event plays a significant role in optimizing website performance. Developers often use it to defer certain actions until after the page has loaded. For example, if you have analytics scripts that track user behavior, you might want to load these scripts using the onload event. This ensures that the tracking does not interfere with the initial loading of the page, thus improving the overall speed and responsiveness of the site.In addition, the onload event can also be utilized in conjunction with other events to create a more dynamic and interactive user experience. For example, you might want to display a welcome message or an introductory animation once the page has fully loaded. By using the onload event, you can trigger these actions seamlessly, making the website feel more engaging and polished.In conclusion, the onload event is a vital part of web development that helps ensure a smooth and efficient user experience. Whether you are working on image galleries, form validation, or performance optimization, understanding how to properly utilize the onload event will greatly enhance your web projects. As technology continues to evolve, mastering such concepts will keep you ahead in the field of web development. Therefore, take the time to experiment with the onload event in your projects, and you will see the difference it can make in the usability and functionality of your websites.

在网页开发的世界中,理解网页上元素的加载方式对于创建流畅的用户体验至关重要。与此相关的一个重要概念是被称为onload的事件,它指的是网页或其中某个元素完全加载的时刻。onload事件在你想要在所有资源(如图像和脚本)完全下载后才执行JavaScript代码时特别有用。这确保了你试图操作的元素已准备好进行交互。例如,考虑一个构建照片画廊网站的场景。你希望以增强浏览体验的方式展示图像。如果你尝试在图像完全加载之前操作图像元素,可能会遇到错误或意外行为。通过使用onload事件,你可以设置JavaScript函数,仅在图像完全加载后运行。这样,你可以确保布局正确,并且所有图像都能正确显示。onload事件的另一个常见用途是在表单验证中。当用户提交表单时,检查所有必填字段是否正确填写至关重要。通过将onload事件附加到表单,你可以在表单加载后立即初始化验证过程。这为用户提供了即时反馈,增强了他们的体验,减少了提交过程中出现错误的可能性。此外,onload事件在优化网站性能方面也发挥着重要作用。开发人员经常使用它来推迟某些操作,直到页面加载完成。例如,如果你有跟踪用户行为的分析脚本,你可能希望使用onload事件加载这些脚本。这确保了跟踪不会干扰页面的初始加载,从而提高了网站的整体速度和响应能力。此外,onload事件还可以与其他事件结合使用,以创建更动态和互动的用户体验。例如,你可能希望在页面完全加载后显示欢迎消息或介绍动画。通过使用onload事件,你可以无缝触发这些操作,使网站感觉更加吸引人和精致。总之,onload事件是网页开发中至关重要的一部分,有助于确保顺畅高效的用户体验。无论你是在处理图像画廊、表单验证还是性能优化,理解如何正确利用onload事件将极大提升你的网页项目。随着技术的不断发展,掌握这样的概念将使你在网页开发领域保持领先。因此,花时间在你的项目中尝试onload事件,你会看到它对网站的可用性和功能性所带来的不同。