hulu javascript problem

Recently in learning JavaScript language, see a lot of online is introduced JavaScript how to solve the problem on the Web page code, so want to find a way to use JavaScript code to achieve the classic C language program problems. Of course, these C language program is relatively simple, mainly want to achieve through

i=0 function is executed, so that its resulting I value is the current 0, and in Fn1, to result[j] function call, I is already 10, so it all the results are 10;Now let's take a look at the problem of the scope chain and explain the above example from this perspective.When a function is called * *, it occurs:* An execution environment is created;* The scope chain of the response is created, and the scope chain is saved from the internal properties of

Today, I was troubled by a problem. One page runs well on a browser (whether on a mobile phone or a PC), and a problem occurs through webview. There are two problems worth computing. Then, through alert, this value is displayed, and it is found that the calculation result is much different from that on the browser. Originally, it is a positive number, but it turns into a negative number. After careful compa

Bootstrap, from Twitter, is currently the most popular front-end framework. Bootstrap is based on HTML, CSS, and JAVASCRIPT. It is concise and flexible, making Web development faster. However, we still encounter various small problems in the process of use. Today we are discussing how to fix a small BUG that I encountered during use. Bootstrap provides many convenient page controls. modal is one of them. Many people encounter the issue that the esc ke

it!..................However, after leetcode on the test, although passed, found that the efficiency of the implementation of the previous and not much difference ... Still not to 90%Must be leetcode on the single test data is too small! So I leetcode in the small input box to paste a a hundred thousand of-length data, ran again, found that there is still no egg to use.So maybe there's something wrong with my test method? 100 times times the number of times the data has not actually increased m

Development and testing using Chrome browser More, customer feedback a page can't open, their own with chrome open everything normal, open with IE8, sure enough the page shows the card is there, and reported "missing identifier, string or number." Check out the errors reported in the knockout.Encounter this problem, direct Google check IE8 this error, get the most results is IE6, IE7, JSON if the last one more comma, this exception will occur. Go back

This kind of problem, usually in the For loop, based on the change of I as the DOM subscript to make the current DOM click events,It is expected that each click event corresponds to the corresponding I subscript, but the problem is that each click is the DOM of the last node.The reason is that when we do the Click event, the ForLoop has been executed .And I, if not saved accordingly, will only be the last v

When you encounter a situation where you can't debug JavaScript code when submitting to a subpage, here's a good workaround, and hopefully it will help. In a recent project, you will not be able to debug JavaScript code when submitting to a child page, sometimes this problem, we can not normal in the browser, see our child page

The above code execution is also incorrect because JavaScript is executed before loading, so if there is no breakpoint at the end of the console you can seedocument.readystate== "Complete" If you add onload, you'll execute JavaScript after loading. JavaScript problem analysis

brief introduction to the process of the new object in javascript: var myObj = Newperson ("Aty");1. Create an empty object . var obj = new Object ();2. in the constructor person, point to the obj object that you just created3. __proto__ of the created obj points to the prototypeof the constructor person. This step is to establish a direct correspondence between the object and the prototype. Firefox down throughThe __proto__ property of the object

The following are JavaScript Function Show (layername) { if (!document.getelementbyid) return false; if (!document.getelementbyid (LayerName)) return false; var layer = document.getElementById (layername); Layer.style.width = "0px"; Layer.style.height = "0px"; Layer.style.display = "block"; Movement = settimeout ("animation ()", 0) } function animation () { if (!document.getelementbyid) return false; if (!document.getelementbyid (LayerName)) return f

This article mainly introduces how to use JS to solve the problem that ie6 does not support max-width and max-height. If you want to use JavaScript to solve the problem that ie6 does not support max-width and max-height, at the beginning, we used the jQuery Method for implementation, but we never got the value in css, as shown in The Code is as follows: If ($.

Let's see, what's the problem with this JavaScript regular? I put this code on my own page test, when the user name is 1234567890sss, the loop test, the account format can sometimes pass, sometimes can not pass, and these two situations alternately, I do not know where my program is wrong? JScript Code if (!/([\w-\.] +) @ ((\[[0-9]{1,3}\. [0-9] {1,3}\. [0-9] {1,3}\.) | ([\w-]+\.) +)) ([a-za-z]

When using JavaScript to operate XML objects, we often use XPath to find the XML nodes to be operated on. However, sometimes "unknown method" appears after the selectnodes/selectsinglenode method is called ." If you are sure that the method name is correctly spelled and in the W3C-defined method list (http://www.w3.org/TR/xpath#section-Node-Set-Functions), try the following to solve the problem: That is, w

The solution to the Cross-origin JavaScript problem is already in the previous section.ArticleFor details, see http://blog.csdn.net/sfdev/archive/2009/02/13/3887006.aspx; In addition to the three solutions mentioned in this article, Huang fangrong's "Web Data Interaction art" at this year's Baidu salon sharing conference mentioned a very elegant and brilliant solution! If you don't talk much about it, go

); } Else { Console.log ("C:" +i); return i; } Console.log ("d:undefined" +i); return undefined;} var result = fn (0); Console.log (result);Output Result:Look at the view of the two-fork tree:From the results of the output and the two-tree view can clearly see the principle of recursive traps, it is very simple, for this recursion can see the wrong binary tree of the first order traversal. When the right node is traversed, there is no direct return value, so the default i

But I do not know if you have encountered such a situation, the new window is opened through the In particular, it should be noted that this href point address (page) is not developed by us, for example, we point the href to www.cnblogs.com. OK, here's the problem: if we have a button on the page where A is located, we can trigger the Click event and do some action. This click event needs to be triggered when the IE window that href opened is closed .

Escape solve filter URL transfer value problem, when using Ajax to pass the value, encountered special symbol filtering problem, special symbol test xml/html Code 01. Special Symbol Test HA: ~!@#$%^* () Because there is a symbol inside a special character, it is treated as a join symbol when the data type passes multiple passes, so the string that follows is passed as a parameter value. Solving method

Today is plagued by a problem, there is a page in the browser (whether mobile phone or PC) on the good run, and through the webview there are problems, there are two worthy of calculation always error. And then, by alert, the value is displayed, and the results of the calculation on the browser are much worse, which is a positive number, but it becomes negative. Carefully compared to the discovery, some of the numbers were erased, and these numbers we

Recently learning JavaScript, there is a very strange problem, first put out the code:functionBinarySearch () {vararr = [0,1,2,3]; varres = Actbinarysearch (0,3,2, arr); document.write ("res);}functionActbinarysearch (Left,right,val,arr) {if(Left >Right ) {document.write ("Do not find"); return-1; } varMidindex = Math.floor ((left+right)/2);varMidval =Arr[midindex]; if(Val midval) {Actbinarysearch (left,