Native JS implementation of the check box for the full selection and all the effects:The use of jquery to implement the check box selection and full selection is very simple, here is not introduced, specifically, you can see the jquery implementation of the CheckBox check box and the full selection of the effect of the
??? In actual production and development, if multiple nodes coexist, You need to select the master node and implement HA automatic fault tolerance. I have thought about the writing method and shared it with you. The Lease protocol and MysqlACID High Availability primary selection solution are designed. Applicable scenarios: Java language implementation description further optimized ??? The system has many application scenarios similar to the master-sl
First, the hidden selection box corresponding to each problem in the form on the page, and the problem following it: lt; labelstyle quot; display: none quot; gt; lt; inputtype quot; checkbox quot; name quot; inquestion quot; value quot; lt; % quest
First, the hidden selection box corresponding to each problem in the form on the page, and the corresponding problems behind it:" checked>
Next, sele
Jquery implements the functions such as full selection, reverse selection, and no selection. The following describes the examples directly.
Set the following check boxes and related buttons on the page (select all, select inverse, do not select all ):
The complete code for implementing the relevant functions is as follows:
$ (Function () {$ ('# btn1 '). click (f
Use jquery to implement the checkbox-by-election and reverse-select function. When the checkbox selection is disabled, no feature is involved Copyright notice: This article blog original articles, blogs, without consent, may not be reproduced. CheckBox selection function and inverse selection
Jquery implements the code for implementing the full-selection function, and jquery implements the full-selection code.
It is mainly used to simulate the full selection of tables on some web pages.
When we click "select all" or "do not select all", the following checkbox performs the corresponding operation.
In turn, when you select ALL, if any of the follow
to the right, so use this (but randomizedselect does not recursively process the two sides of the partition like the quick sort, but only processes the left or right side, so it is faster) to complete the selection.
The average performance of this algorithm is better, because it is a randomization Division, there is no specific set of input, resulting in its worst case.
The average time is O (n), and the worst time is O (n ^ 2)
The implementation co
Random selection
A timer MUST be added before clearbtn. onclick to enable automatic random numbers.
var timer = 0; selectBtn.onclick = function() { clearTimeout(timer); timer = setInterval(selectBall,100); setTimeout(function() { clearTimeout(timer); },3000) // clearTimeout(timer); }
In this way, the dynamic graph function is realized (* ^__ ^!
Random selectio
ExtJS date control, can only support to date selection, the choice of time is not perfect. The controls downloaded on the Web are based on Ext.form.dateField, which is automatically selected after the selected date and hides the selection window.After some modification, we finally made a time selection control with a confirmation button. As followsThe specific co
Idea: 1, get the element. 2, with a For loop calendar array, the checkbox checked set to True to achieve the full selection, the checkbox checked set to False is not selected. 3, through if judgment, if checked is true to select the state, the checked is set to False, if the checked is false, the checked is set to true selected state.JS Code: 1 HTML code: 1 Select all: JS implementation of the full selection
The jquery method is as follows:
Copy Code code as follows:
Function Checkall (val) {
$ ("Input[name= ' Chkjob ']"). each (function () {
this.checked = val;
});
$ ("#chkAll"). attr ("Checked", Val);//Set all Select button Status
}
Val, this parameter passes the selection state of the full selection button.
Name= ' Chkjob ' This is the name of the checkbox in the list
Chkal
Today, I encountered a problem when a netizen asked the Forum about all and invert selection of the input checkbox. I summarized it and wrote a simple jQuery checkbox invert selection plug-in. I hope it will be useful to everyone.The following function can be used for simple selection and inverse selection of checkbox:
These two days in the experiment Baidu Map API, frankly do is still pretty good, but I need the administrative Region selection and anti-election function is not well realized, practice a bit finally found a better solution.District Selection In fact, there is nothing to say, is directly to take out the name of the administrative region to call Bmap.boundary (). Get (Districtname,callback) is fine.Counter-e
Today in the development of the Flickr downloader encountered to reverse the selection of the GridView selection of the problem, took a while to solve, so write a blog post.I think my way of achieving is very low, really is a very foolish way. No, I'm just a stupid man, I just think of such a foolish way. If the reader has a better way to welcome advice.A bit more nonsense, get into the chase.Let's talk abo
//The following is mainly for the query out of the data, filtered to get the data to be reversed, and then modify the selected data (select All or part of the selection can also be modified according to some code)Screen.cursor: =crhourglass; cxGrid2DBTableView1.DataController.GotoFirst; forI: =0 toCxgrid2DBTableView1.DataController.FilteredRecordCount-1 Do begin ifCxGrid2DBTableView1.DataController.GetItemByFieldName ('IsChecked'). EditValue = Tru
Html:The first method:$ ("#box)." Click (function () {if ($ (this). Is (": checked)) {$ ("input[name= ' goods ')"). attr ("Checked", "checked");}else{ $ ("input[name= ' goods ')"). Removeattr ("Checked", "checked");}})This thought that this method can complete the selection and the full selection of functions, but when the first click, the correct selection
In recent work, you need to use jquery to implement check box selection and anti-selection, although I am not full-time, but this small problem feel also no difficulty, the following direct code: DivID= "List"> ulclass= "Mui-table-view textoverflow"ID= "Noteslist" > Li>inputtype= "checkbox"name= "Notices"value= "1">BasketballLi> Li>inputtype= "ch
ExtJS date control, only can support to date selection, the choice of time is not intact. The controls that are downloaded on the Web are based on Ext.form.dateField development. Select the selected date and hide the selection form.After some modification, a time selection control with a confirmation button is finally done. For example, the followingThe detailed
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