Factory mode creates objects, although in line with normal thinking.However, because the object is defined inside the function, it is not possible to know the type of the object (all of them are object).Using the constructor pattern, you can create
Document text Object-JavaScript scripting language description ———————————————————————Note: The names of the elements on the page, the Name property, and the JavaScript reference must match the same case, or you will be prompted with an error
Event delegateEvent delegate function F2 (d) { Document.onclick = function (e) { var e = e | | window.event; var target = E.srcelement | | E.target; if (Target.tagname = = "LI") {...}}}
The reason for buying this book is that there is nothing surprising about it, especially the idea of the JavaScript code, so I bought the book.In the purchase of a few books, the first to see is this one, but look at the directory is not very good,
In the HTML position has three blocks: 1.head inside 2.body inside 3. after, for the sake of insurance generally write after .3 common dialog boxesAlert () Warning dialog box, which is the function of a warning dialog to pop up.Confirm () Determines
1. {}+ ""Equivalent to + "" because the JS parser considers {} as a block expression.The rule for unary operator + is (http://es5.github.io/index.html#x11.4.6):
Let expr is the result of evaluating unaryexpression.
Return Tonumber
functionGetcontinuetime (startTime) {//the difference between the current time and the specified time varTime = (NewDate ()-NewDate (StartTime))/1000, ServiceTime= ' ', days= Math.floor (time/3600/24), Hours= Math.floor (time/3600% 24), Minutes=
1. Get a random number in a specific rangevar x = Math.floor (Math.random () * (Max-min + 1)) + min;2. Let the page automatically refresh oncefunction () { if (location.href.indexOf (' #reloaded ') = = = 1) {= location.href + "#reloaded ";
1. Randomly select an array itemvar items = [1, 2, ' A ', 3, 4, ' B ', 5, ' C ', 6, 119, ' d ']; var Randomitem = Items[math.floor (Math.random () * items.length)];2. Convert a Parameter object to an arrayvar argarray = Array.prototype.slice.call
First look at a small program:The output sequence is: 1th, 3rd, 2nd; and then look at a small program:Output order: 1th, 3rd, 2nd; You might ask why not 1, 2, 3;settimeout the interval is set to 0 is not immediately executed? This leads to the
AngularJS iframe: a solution that reports an error when cross-origin content is opened. angularjsiframe
The following error is reported when the content of different domains is opened:
Blocked loading resource from url not allowed by $
Javascript enables dynamic loading of CSS and javascript dynamic css
Copy codeThe Code is as follows:
Functions written by JS are used to control the dynamic loading of JS files, that is, loading JS files only when necessary, and loading CSS files.
Function and Object in Javascript, javascriptfunction
Function
A function is an object. A function object is a function object. All Function objects are constructed by the Function object. That is to say, Function is the top-level constructor. It
Stringify, toJosn, and parse functions in JSON, and jsonstringify
JSON. stringify function (JavaScript)
Syntax: JSON. stringify (value [, replacer] [, space])
Converts a JavaScript value to a JavaScript Object Notation (Json) string.
Copy codeThe
Js determines whether a string contains a substring.
This example describes how to use JavaScript to determine whether a string contains a substring. Share it with you for your reference. The details are as follows:
In our daily front-end
Frameless, frame
Frameless is a browser used to preview the product prototype in ios8. It can help those who need a simple method to preview the prototype design and development effects on iOS devices. Without the status bar, you can use gestures
Html dom (study note 2) and htmldom Study Notes
Well, I briefly described what HTML DOM is in HTML DOM (study Note 1). This article will record the content about HTML DOM!
1: DOM Node
First, let's take a look at the tree structure of the html dom,
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