onclick | 易学教程

jquery onclick add margin-left

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问题 I'm trying something pretty simple in JS but I can't make it work... I would like when clicking on a div to add a negative margin-left to another div, but I want it to happened everytime I click on the div, not only one time as it does now. Eveytime I click on my #next_nav, I would like the #nav to move from 10px negative. here it only works one time. here is my js : $(function() { $('#next_nav').click(function () { $( "#nav" ).css('margin-left','-10px'); }); }); and my HTML : <div id="next

Error in console while hiding the link on click through Polymer/Dom

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问题 Hi Stack Overflowians, I want to hide the Click foo link when I click the same Click foo link. I have the following code: <dom-module> <div id="foo"> <a href="#" onclick="toggle_visibility('foo');">Click foo</a> </div> <script> Polymer({ is: 'test-file', toggle_visibility: function(id) { var e = document.getElementById(id); if (e.style.display === "none") { e.style.display = "block"; } else { e.style.display = "none"; } }); </script> </dom-module> I get the error in Console tab when I click

How to clear textarea field onclick in AJAX?

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问题 How to clear textarea field onclick? the problem is I am using AJAX . it won't reload the page. can anyone help me to solve this problem. <div class="write_comment" style=""> <textarea type="text" id="form_task_comment" name="form_task_comment" value="" placeholder="Write your comment here..."></textarea> <div class="buttons" style="float:right"> <button id="btn_comment_submit" class="btn btn-default btn hoverable btn-sm btn_comment_submit" style="margin:0rem;" type="submit">Add Comment<

Data Binding onClick not working

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问题 I am getting started for using DataBinding and something is wrong with my onClick. GameViewModel.java public void onClickItem(int row, int col){ Log.d("click","row: "+row+" col: "+col); } @BindingAdapter("load_image") public static void loadImage(ImageView view,int imageId) { view.setImageResource(getDrawable(imageId)); } GameFragment.java @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { //View view=inflater.inflate(R.layout

【第十六篇】这一次要写的是bootstrap-table

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先上图吧这就是效果图上代码（这一部分是工具栏的，还包括slider滑动条） <div class="box-body"> <div class="row"> <div class="form-group col-xs-3" style="width: 432px;"> <label for="SendUser" class="col-sm-2 control-label">重量</label> <div class="col-sm-10"> <div class="nstSlider" id="shapeNstSlider" data-aria_enabled="true" data-range_min="1" data-range_max="3000" data-cur_min="1" data-cur_max="3000"> <div id="bar" class="bar"></div> <div id="leftGrip" class="leftGrip"></div> <div id="rightGrip" class="rightGrip"></div> </div> <div class="input-prepend input-append pull-left"> <input class="span2 " id="leftLabel" style="width:

介绍React.memo, useMemo 和 useCallback

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什么是 React.memo ？ React.memo 和 React.PureComponent 类似， React.PureComponent 在类组件中使用，而 React.memo 在函数组件中使用看下面两个例子，有两个计数器组件，两个计数器的数据都来源于父组件，第一个计数器通过点击按钮数字会不断累加而发生改变，第二个计数器没有按钮控制数字改变。 const App = ( ) => { const [ count1 , setCount1 ] = React . useState ( 0 ) const [ count2 , setCount2 ] = React . useState ( 0 ) const increaseCounter1 = ( ) => { setCount1 ( count1 => count1 + 1 ) } return ( < > < button onClick = { increaseCounter1 } > Increase counter 1 < / button > < Counter value = { count1 } > Counter 1 < / Counter > < Counter value = { count2 } > Coutner 2 < / Counter > < / > ) } 计数器组件 const

How to add text to textarea when user clicks a button

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问题 I want to add text to textarea when user clicks a button.I know how to concate string and add it to textarea but what i want is to add text to the place/position inside textarea where users clicks and then add text in that position on clicking button. Thanks in advance 回答1: Here's a reference from me: <script> function input(){ var text = "here the text that you want to input."; document.forms.form1.area.value = text; } </script> <form name='form1'> Click<input onclick='input()' type='button'

onclick not working in external js-file, but in inline

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问题 What I want : change text-color to red on text in a <h1> tag with <id="headline"> Anyone that has an idea why the following code does not work, but further down in this question, that code work by moving onclick-event to inline code? Does not work : following code written in external js-file function changeColor(){ document.getElementById("headline").style.color = "red"; } document.getElementById("headline").onclick = changeColor; Works : Following code written in external js-file (function

Adding input fields in Javascript with onclick button [duplicate]

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问题 This question already has answers here : Adding input elements dynamically to form (3 answers) Closed 4 years ago . Im always used to using jquery or other javascript frameworks but right now I have no frameworks to use so i wanted to see if anyone knows how i can do this in straight javascript if possible. Basically i have a div like this <input type="button" id="more_fields" onclick="add_fields();" value="Add More" /> <div id="room_fileds"> <div class='label'>Room 1:</div> <div class=

Adding input fields in Javascript with onclick button [duplicate]

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