GOOCODE - Find your code/scripts

0 There is often a need to export data to Excel during project development, or to download documents. The simplest way to download is to directly request the file address of the server and download the file through the browser http. But in development, due to project requirements, the address of the file you want to download will not be exposed to the user, and authentication is required to allow the download of the file. What should we do at this time?

0 In the AJAX era, network requests such as APIs are made through XMLHttpRequest or encapsulated frameworks. The fetch framework now produced is simply to provide more powerful and efficient network requests. Although there are currently a few browser compatibility issues, when we make some asynchronous requests, we can use fetch to make perfect network requests.

1 javascript uses alphanumeric to sort by default. Therefore, the result of [1,2,5,10] .sort () is [1, 10, 2, 5]. If you want to sort correctly, you should do this: [1,2,5,10] .sort ((a, b) => a-b)

javascript uses alphanumeric to sort by default. So the result of [1,2,5,10] .sort () is [1, 10, 2, 5].

0 Echo.js is a standard stand-alone javascript image lazy loading (lazy loading) library. It is very small and fast, only 2KB. It uses HTML5's data-* attribute to delay the request to load image resources without relying on any third-party plugin libraries. Especially suitable for applications that need to load a large number of pictures on the mobile side.

Blank.gif is a 1 x 1 image used as the default image. The attribute value of data-echo is the real address of the image. You can set the width and height of the image, or set it in CSS, otherwise it seems that the image at the bottom and bottom is lazy.

0 We continue to provide the latest front-end javascript and CSS library resources for web enthusiasts. We will share some good front-end resources carefully collected this month, thank you for your continued attention to goocode.

Core UI is a Bootstrap4-based UI library for background management templates. It provides a highly customizable solution and control panel, and is very easy to integrate with the current popular front-end frames, such as: AngularJS, Angular 2, React.js , and Vue.js.

0 Here I have compiled a few fresh and better javascript and CSS libraries to learn about the latest and coolest front-end technology, and I hope to help us.

Whitestorm is a framework for developing 3D webapps and games based on the Three.js engine. It contains many common Three.js tasks, so it's very easy to set up the environment, create objects, add objects, and the official provides a very good one. The tutorial is as good as the react.

0 In the future, goocode will release some well-collected good front-end and back-end resources at the appropriate time every month. Keep an eye on the latest trends in web development. We will share the best resources that are most helpful to everyone. Please keep an eye on goocode.

Flexdatalist is a jQuery plugin for entering autocomplete hints. This library leverages HTML5's /datalist /, allowing developers to easily organize the values and properties of all possible select options. It can run multiple sections, refreshing UI, and is easy to use.

1 There are many ways to add items to the shopping cart. The usual way is to click the “Add to Cart” button and you will be redirected to the shopping cart. In the shopping cart, you can click the “Billing” button to settle. Today I will introduce you to a more friendly solution.

By default, the shopping cart is hidden and invisible. When the user clicks the Add to Cart button, the item information will be added to the shopping cart. The shopping cart will appear as a button in the lower right corner of the page. Clicking the button will expand the shopping cart. , display the product information in the shopping cart, and also delete or settle the items in the shopping cart. Users can also temporarily close the shopping cart to continue shopping.

8 In some e-commerce sites and home sites we will see this application, a picture shows a variety of products, click on each product can pop up a simple description of the corresponding goods, including prices, etc., greatly improve the user experience , Today we give examples to share the use of jQuery plug-ins to achieve this effect.

0 ECharts is a HTML5 Canvas, pure javascript-based charting library. It can run smoothly on PC and mobile devices, compatible with the current most browsers (IE8 / 9/10/11, Chrome, Firefox, Safari, etc.), providing intuitive, vivid, interactive, highly customizable Data Visualization Chart.

ECharts provides general line charts, histograms, scatter charts, pie charts, K charts, box charts for statistics, maps for geodata visualization, thermograms, line graphs, relational data visualization Treemap, parallel coordinates for multidimensional data visualization, funnel diagrams for BI, dashboards, and mashups between graphs and graphs.