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  • Javascript learning notes constructor

    Javascript learning notes constructor

    Array Constructors Due to the uncertainty of the array's constructors when processing parameters, it is highly recommended to use the [] symbol to create a new array. [1, 2, 3]; // Result: [1, 2, 3]new Array(1, 2, 3); // Result: [1, 2, 3
    2025-04-17
  • A table that can add and delete rows and edit content in a table

    A table that can add and delete rows and edit content in a table

    The page file copy code code is as follows:<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title></title>
    2025-04-17
  • html5 Canvas drawing lines closePath() instance code

    html5 Canvas drawing lines closePath() instance code

    Comment: html5 Canvas draws the line closePath() instance code. Friends who need it can refer to the following core code: $(function(){ var can = $("#can").get(0); var txi = can.getContext("
    2025-04-17
  • Introduction to the use of two common methods of function calls in js

    Introduction to the use of two common methods of function calls in js

    A js function function test(aa){window.alert("You entered "+aa);} Method 1: Call test("dddd"); Method 2: Assign the function to the variable var abc=test;abc('China');//Calling the function with variables Note: When I
    2025-04-17
  • JavaScript sub method introduction example (show strings as subscripts)

    JavaScript sub method introduction example (show strings as subscripts)

    JavaScript sub method The sub method returns a subscript string defined using the HTML sub tag attribute. The syntax is as follows: the code copy is as follows: str_object.sub() Tip: This method does not comply with ECMA standards and is not recommended t
    2025-04-17
  • HTML5 web page production: Mouse scroll wheel event allows users to interact with web pages

    HTML5 web page production: Mouse scroll wheel event allows users to interact with web pages

    Article introduction of Wulin.com (www.vevb.com): How does HTML5 use mouse wheel events? Adding mouse wheel events to HTML5 web pages can better allow users to interact with web pages. In HTML5, the mouse scroll wheel not only can only slide up and down t
    2025-04-17
  • Detailed explanation of JavaScript function pattern

    Detailed explanation of JavaScript function pattern

    In javascript, a function is a class of objects, which means that it can be passed as a parameter to other functions; in addition, the function can also provide scope. The basic part of js function: JavaScript learning notes (IV) Function function part cr
    2025-04-17
  • HTML table markup tutorial (28): Border color attribute of cell

    HTML table markup tutorial (28): Border color attribute of cell

    To beautify the table, you can set different border colors for the cells. Basic syntax<TD Bordercolor=color_VALUE> When defining colors, you can use English color names or hexadecimal color values ​​to express them. File example: 10-26.htm Set cell border
    2025-04-17
  • Example of the difference between js creating objects

    Example of the difference between js creating objects

    A : var obj1 = obj2 = new Object(); and B : var obj1 = new Object(),obj2 = new Object(); are two different assignment methods, and the results are different. Be careful~ A will add 2
    2025-04-17
  • Sample code for implementing page mask effect using native js

    Sample code for implementing page mask effect using native js

    For web application developers, if the background program handles the program for a long time when the user browses the interface, the user will wait for a longer time on the web page. However, if there is no friendly prompt method on the page (adding the
    2025-04-17
  • HTML5 tag set

    HTML5 tag set

    Comment: HTML5 tags small set HTML tags;<meta> Attribute Content, name, scheme<!DOCTYPE> <a>Attributes coords, shape, <abbr>attribute <address>attributes<area> Attribute <article>attributes</article></address></abbr></a>
    2025-04-17
  • The current state, evolution, main features and functions of HTML5

    The current state, evolution, main features and functions of HTML5

    Article introduction of Wulin.com (www.vevb.com): A set of infographics for the current status of HTML5. The following is a set of latest infographics about HTML5. It tells us about the current state of HTML5, explains evolution, major features and functi
    2025-04-17
  • JavaScript Learning Notes (VII) Ajax and Http Status Codes

    JavaScript Learning Notes (VII) Ajax and Http Status Codes

    Ajax and its working principle AJAX is a technology that exchanges data with servers without refreshing web pages. It was first used by Google in Google Maps and was quickly popular. AJAX cannot cross-domain. If you need to cross-domain, you can use docum
    2025-04-17
  • Html trick semantics your code

    Html trick semantics your code

    Html semantics seems to be a cliché. Google has a lot of articles about semantics. Why semantics tags? I think this is what I think: each tag of Html has its specific meaning, and semantics is to let us use appropriate tags in the right place to better pe
    2025-04-17
  • input:checkbox multi-check box achieves the same effect as radio

    input:checkbox multi-check box achieves the same effect as radio

    Recently, we encountered a small problem. Sometimes when we use single-choice radio, we will find that after we select one, we can no longer choose one, that is, there is no cancellation function after selecting it. At this time, we think of the powerful
    2025-04-17
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