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Web design tutorial

A simple example of js mouse movement to display pictures

1. The js code copy code is as follows: //**********Default setting definition.************************ tPopWait=50 ;//Display a prompt after staying in tWait for a few seconds. tPopShow=5000;//Close the prompt sh after displaying tShow for milliseconds

2025-01-30
Problems and solutions encountered in using required input of html5

Errors that occur when hiding input when submitting a form. Description of the problem: When submitting a form, some input tags are hidden. An invalid form control with name= is not focusable error will appear during form verification. Although I encounte

2025-01-30
js select option object summary

A basic understanding: var e = document.getElementById("selectId"); e. options= new Option("text","value"); //Create an option object, that is, in<select> Create a tag or

2025-01-30
JS judgment character length, Chinese and English numbers, etc.

Core function: Copy code code as follows:<script type="text/javascript"> var zfl={}; zfl.GetLength = function(str){ var realLength = 0,len = str.le

2025-01-30
Asynchronously dynamically load JS and run (sample code)

As shown below: Copy the code as follows: (function(){var ga=document.createElement('script');ga.type?=?'text/javascript';?ga.async?=?true;ga.src ?=?

2025-01-30
Implementation of secondary sharing of Html5 pages

Secondary sharing is quite important for H5 pages. After all, QQ still uses the built-in sharing function after it is sent out on WeChat. Different from the PC side, the PC directly copies the address. I was making invitations two days ago, and I encounte

2025-01-30
Detailed explanation of the front-end method of passing parameters between html pages

A situation that often occurs in projects is that there is a list, such as a case list, and clicking on an item in the list will jump to the details page. The details are generated based on a clicked record, because the cases and specific details pages ar

2025-01-30
html5 Audio_ Power Node Java College

html5<audio> It is a new label of HTML 5, defining sounds, such as music or other audio streams. HTML 5<audio> Label HTML5 Audio allows music Dongshan to resume HTML5 by using ADUIO tags to create music players.

2025-01-30
Use JS to solve the method of solving IE6 does not support Max-Width, MAX-Height

Today I encountered a problem about using JS to solve IE6 without supporting Max-Width, MAX-Height. It just started to implement it with the jQuery method, but the value in the CSS has not been obtained. For example, the copy code code is as follows: IF (

2025-01-30
Sharing methods to improve JS code quality using JSLint

With the emergence of rich Web front-end applications, developers have to re-examine and pay attention to the capabilities and use of the JavaScript language, abandoning the past model of simply "copying/pasting" common scripts to complete simpl

2025-01-30
JavaScript uses apply and arguments reuse methods

First, there is a singleton object with many static tool methods attached to it. One of them is each, which is used to traverse arrays or objects. Copy the code as follows: var nativeForEach = [].forEach var nativeMap = [].map var util = {

2025-01-30
Convert js integer string to amount type data (sample code)

Copy the code as follows: function zhen(str) { var arr_1 = ["", "/u62fe", "/u4f70", "/u4edf", "/u4e07", "/u4ebf"], arr_2 = ["", "/u4e07",

2025-01-30
Interpretation of the fetch method in h5 (summary)

Fetch concept Fetch is a new object in H5. It was born to replace the existence of ajax. Its main purpose is just to combine with ServiceWorkers to achieve the following optimization: optimize offline experience and maintain scalability. Of course, if Ser

2025-01-30
Example of debugging javascript using firebug

Copy the code code as follows:<script type="text/javascript"> //用于在friefox中调试用console.log("hello"); /** function test(name) { console.log(n

2025-01-30
If the button does not write type=button, it will cause it to be submitted when clicked.

There is something very strange: I clicked a button in a pop-up window, and unexpectedly the pop-up window disappeared. After debugging by the company's js master, I discovered the secret. Copy the code as follows: <button onclick="add_q()">Add a ques

2025-01-30

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