JavaScript

Problem description:When developing chromeexpansion, when the page's popup.html needs JavaScript code, the following message is displayed when you directly write JavaScript code in dynamic binding js events:Refused to execute inline script because

Recently, I used jquery to operate checkbox in my work. I used the following method to select all and invert:Copy codeThe Code is as follows:Var ischecked = allCheckObj. is (': checked ');Ischecked? ChecksObj. attr ('checked', true): checksObj. attr

Dynamic option addition is more practical in some special cases. This article provides a small example to introduce how to use createElement. If you are interested, referThe Code is as follows: select.html --> -- select a course --

This article mainly introduces how to obtain the IP address and MAC address of the client Nic by js. For more information, seeThe Code is as follows: MAC address: ip address: Host Name: the code is found online but modified.

In jQuery, getJSON is often used to call and obtain a remote JSON string and convert it to a JSON object. If it is successful, the callback function is executed. The prototype is as follows: JQuery. getJSON (url, [data], [callback]) loads JSON data

Jquery validation has been used for validation in recent projects. It works well with bootstrap and jquery form. However, the caching problem of remote verification has left me a headache for a long time, almost like dropping this

1. $. each (array, [callback]) traversal [common]Explanation: Unlike the $. each () method of the jQuery object, this method can be used to sample all objects (not just arrays ~). The callback function has two parameters: the first is the object's

To obtain the background color and font color of a webpage, follow these steps:Idea: the rgb color is obtained by obtaining the color attribute value, which is not what we want. Therefore, we need to replace the rgb color with the hexadecimal color

Copy codeThe Code is as follows:Function getExplorerInfo (){Var explorer = window. navigator. userAgent. toLowerCase ();// IeIf (explorer. indexOf ("msie")> = 0 ){Var ver = explorer. match (/msie ([\ d.] +)/) [1];Return {type: "IE", version: ver };}/

This article mainly introduces how to obtain the type and version of a browser using javascript (js to obtain the browser version). For more information, seeThe Code is as follows: function getjavaserinfo () {var explorer = window. navigator.

JS implementation: Click to exit the system. A prompt box is displayed. Click "OK" to return to the corresponding page. Click "cancel" and keep it on the current page. In Index. php page write JS Code: vcD4KPHA + Jmx0O3NjcmlwdCBsYW5ndWFnZT0 = "

Generally, in the following statement structure, you need to determine whether the if branch statement is true or false. The second statement in the while LOOP statement for is like if (boo) {// do something} while (boo) {// do something} the six

This article introduces two aspects of JavaScript objects: dynamic selection of methods and attributes, and traversal of Object Attributes and methods. For more information, see(1) dynamic selection of methods and attributes in actual work, we often

:The original title is: "Why don't we use AngularJS :...", Later, the author thought it was inappropriate to get rid of it, because AngularJS is usually applicable to SPA. Many people understand it as an attack on AngularJS, but this is not his

In a recent project, there is a function: There is a checkbox on the page. When the user selects or cancels the checkbox, A jsonp request is sent to the backend. At that time, the implementation was to add an onchange event for this checkbox, but

 The JavaScript framework provides so many functions that they will fall into the trap accidentally. The more dependent the tool library, the slight changes made during modification or maintenance may affect other functions (commonly known as mines

When I used jquery's parents () to find the parent-level element to delete it, I found that it does not contain the root element, so I used closest (). The effect is good, but there is a difference between the two, see: & amp; lt; ul & amp; nbsp;

Today, I wrote the label effect for the article, and there were several minor issues: the overflow of the content after the img label and the invalid width and height of the label definition. I will record it here. See the implementation code: & amp;

& Amp; lt ;! DOCTYPEhtmlPUBLIC & quot;-// W3C // DTDHTML4.01Transitional // EN & quot; http://www.w3.org/TR/html4/loose. Insert title here

E = e | window. event is js compatible with IE and non-IE in event processing. Let's take a look at the following simple Syntax: window. onload = function (e) {v E = e | window. event is js compatible with IE and non-IE in event processing. Let's