onclick

问题 I have an input box and I want it to be disabled and at the same time hide it to avoid problems when porting my form. So far I have the following code to hide my input: $(".shownextrow").click(function() { $(this).closest("tr").next().show().find('.longboxsmall').hide(); }); This is the input that gets hidden as a result: <input class="longboxsmall" type="text" /> How can I also add the disabled attribute to the input? 回答1: $("input").attr("disabled", true); as of... I don't know any more. It

问题 I used a callback methods I was guided to use in a previous question. It doesn't seem to work. The onClick() method is not called. callback methods seem to be a very broad concept. I don't know how to narrow the search in order to get relevant information, or how to find what is wrong with the code I got. ListActivity - the Adapter is initialized and a click listener is set here public class ListActivity extends AppCompatActivity implements ListAdapter.ItemClickListener { ArrayList<Country>

问题 I'm creating a donation application that reads the input in a textbox, converts it to a double. Then using the method operatingCost , it should take that converted double and divide it by 17% (operating fees). Currently in the method, I have the variable dontationBFees coming in and then being divided by 17 and creating a new variable afterFees . Everything is working fine but I need to create a running total that will save all of the donations. It should display the total amount raised for

问题 I'm creating a donation application that reads the input in a textbox, converts it to a double. Then using the method operatingCost , it should take that converted double and divide it by 17% (operating fees). Currently in the method, I have the variable dontationBFees coming in and then being divided by 17 and creating a new variable afterFees . Everything is working fine but I need to create a running total that will save all of the donations. It should display the total amount raised for

问题 I have a button and i want to change its background color to white on click, and then when i click another time it return back to its original background color, how can i do that? here is my code: $(document).ready(function () { $("button").click(function () { $(this).css("background-color", "#FFF"); }); }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <button>Hello</button> 回答1: All you need to do is add some sort of toggle boolean, in this example

问题 I have a form where the class of the button is dynamically changing, depending up where the request is coming from. I am trying to capture the onclick event, but it does not take in the dynamically added class. I made sure that the class is being added to the button. Where can I be going wrong. Snippets -- $('.button').removeClass('oldClass'); $('.button').addClass('newClass'); <button class = "button">Button</button> OnClick -- $('.newClass').click(function(){ alert("test"); }); The code

问题 I have successfully, with a fellow programmers help to create the following code: import android.app.Activity; import android.graphics.Color; import android.hardware.Sensor; import android.hardware.SensorEvent; import android.hardware.SensorEventListener; import android.hardware.SensorManager; import android.os.Bundle; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.widget.Toast; public class SensorTestActivity extends Activity

问题 I called the fragements as List<Fragment> fragments = new Vector<Fragment>(); fragments.add(Fragment.instantiate(context, Fragment1.class.getName())); fragments.add(Fragment.instantiate(context, Fragment2.class.getName())); mPageAdapter = new PageAdapter(activity.getSupportFragmentManager(),fragments); ViewPager pager = (ViewPager)findViewById(R.id.viewpager); pager.setAdapter(mPageAdapter);` ,but now in fragment class ,when trying to access the child button as View v = inflater.inflate(R

问题 I have a conflict with calling the general jQuery click function and so I need to call an onclick event on the HTML element itself while still being able to use $(this) $('.item-main-section, .item-status').click( function () { var slideHeight = $(this).parent().children('.item-slide-section').height(); if ($(this).parent().height() > 50) { $(this).parent().animate({height: '50px'}, 300); $(this).parent().children('item-slide-section').animate({bottom: '0px'}, 300); } else { $(this).parent()

问题 I have an onClickListener set on a TextView ( mReadAgainButton ) which is supposed to reload a set of instructions from the beginning (initially displayed via an onClickListener on a Button called mAssistUpdateButton ) however when clicking on the TextView mReadAgainButton nothing seems to happen. public void onClick(View v) { if (v == mAssistUpdateButton) { // Update button for ICS and up is selected // Get the TextView in the Assist Update UI TextView tv = (TextView) findViewById(R.id.apn