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katalon installation, recording, executing simple Web scripts _Xiaobian is not talented. The article written yesterday was not saved and lost!Rewrite one today.Don't talk too much, just get right! Catalog Download katalon Register katalon Recording scripts Edit script Run script Analysis results _This catalog is ugly, ...

1. Background knowledge What are 1.1, http, and https? Simply put, http is a protocol for transferring web content, such as the website you see at the beginning of http http://www.163.com , the text, pictures, CSS, JS and other files on its web page are transferred to our browser through the http protocol, and then we can see them. And HTTPS ...

Preface Recently, when making a special page for a competition in our company, we met the need to create a poster using photos uploaded by competitors. In the process of implementation, we used some APIs which were not used before, and also stepped on some pits, so we recorded them. Requirement description Users click on buttons to upload phot ...

1. Whenever there is a big disaster, many websites become grey. How to make the websites grey quickly? CSS code is very simple, using the filter function of css. The code is as follows: html { filter: grayscale(100%);//IE browser -webkit-filter: grayscale(100%);//Chrome -moz-filter: grayscale(100%);//Firefox -ms-filter: grayscale(100 ...

jQuery $(document).ready() execution order: Execute. ready() when all DOM elements of the page are loaded. Document. ready() is executed after the DOM structure has been drawn, without having to wait until the loading is complete. If there is javascript code before. ready() executes, how will javascript execute? The answer is to execute the ...

1. What is hack technology? Because different browsers, such as Internet Explorer 6,Internet Explorer 7,Mozilla Firefox and so on, have different understanding of CSS analysis, it will lead to different page effects and not get the page effects we need. At this time, we need to write different CSS for different browsers, so that it can be co ...

Ajax technology can complete partial page refresh and realize asynchronous data transmission between browser and server. The XMLHttpRequest object in JavaScript is the core object of Ajax technology, which provides the ability to send requests asynchronously. 1. Examples of XMLHttpRequest object acquisition: function getXMLHttpRequest(){ ...

Reprinted to: http://blog.csdn.net/liuyan19891230/article/details/50687527 1. Character Method charAt() and charCodeAt(), both methods accept a parameter and a character position based on 0. charAt() returns a character at a given location, and charCodeAt() returns a character encoding of a character at a given location. One method ...

Here is a simple example of jquery image preview + clipping. The principle is to get the information to be clipped at the front end, such as aspect ratio, clipping coordinates, upload the picture and then cut it in php at the back end. jquery code (must be introduced at the end) function showCutImg(showImg){ ...

Sticky footer is to keep the footer part of the page at the bottom of the browser window. When the page content is long enough to exceed the viewing height of the browser, the footer will be pushed to the bottom of the page with the content, but if the page content is not long enough, the footer will remain at the bottom of the browser win ...