Convert pure javascript to jquery [closed] - javascript

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I want to convert pure javascript to jquery, this code is about all lines containing your specified search text will be removed. Here my code:
my code on jsfiddle: http://jsfiddle.net/v306rzhg/4
<body>
Search lines for:
<input type="text" id="addfield0" value="Sometimes|relevance|understand" style="width:100%; margin-top:10px;" />
<input type="button" style="margin-top:10px;" value="Remove Lines Containing..." onClick="if(document.getElementById('addfield0').value!='') {removelines('containing');}" />
<input type="button" value="Not Containing..." onClick="if(document.getElementById('addfield0').value!='') {removelines('notcontaining');}" />
<textarea id="input_output" style="width:100%; margin-top:10px; height:150px; resize:none;" wrap="off">Sometimes to understand a word's
meaning you need more than a definition.
At Your Dictionary we try to give you all of the tools
you need to really understand what the word means.
Seeing the word in a sentence can
provide more context and relevance.</textarea>
<textarea id="removed_box" rows="4" style="width:100%; margin-top:10px; height:150px; resize:none;" wrap="off"></textarea>
</body>
</html>

in Jquery
here's how to call an element;
instead of
document.getElementById('addfield0')
just use
$('#addfield0')
example when getting the value:
$('#addfield0').val()
note: make sure you reference your jquery
<script src="http://ajax.googleapis.com/ajax/libs/jquery/2.0.2/jquery.min.js"></script>
Downlaod jquery here

Related

How to put all same tags in particular one another tag at a time wherever I used that tag? [closed]

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My Html is as follow,
<html>
<head>
</head>
<body>
<label>Name : </label>
<input type="text" id="user" />
<button id="submit"> Hit Me !!</button>
</body>
<p id="id1"> This is paragraph which has id1.</p>
<p id="id2"> This is paragraph which has id2.</p>
<button id="change"> To Change Color !!</button>
</html>
This is just a small portion of my code and I have lots of button tags in my HTML.
I want to put all the buttons in the center of screen (Horizontally).
I have also created same CSS for all buttons.
So what to write in that CSS, so I can get all the buttons in center ?
button{
margin-left:auto;
margin-right:auto;
}
in your CSS file for all buttons

Adding more balance via a html input to a javascript variable? [closed]

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Closed 4 years ago.
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Photo of the website
I have a school project and I need to make a website where I can add more balance to my account. But I can't figure it out.
I would like to make an HTML number input and then that input needs to add up with my existing balance. But I can't make it work
This is the code I have:
<fieldset>
<legend>Opwaarderen</legend>
<input type="number" id="opwaarderen">
<input type="submit" onclick="opwaarderen()">
</fieldset
But how can I make the Javascript function? So that the input will add up to my already existing balance.
This will help
var currentCredit=0;
$("#a").click(()=>
{
alert(currentCredit+=Number($("#opwaarderen").val()));
})
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<fieldset>
<legend>Opwaarderen</legend>
<input type="number" id="opwaarderen">
<input type="submit" id="a">
</fieldset>

JS DOM - Difference between document.getElementById & selecting by name [closed]

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I have code like this:
<form name="selectForm">
<select multiple name="cars">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="mercedes">Mercedes</option>
<option value="audi">Audi</option>
</select><br />
<input type="button" value="Select Cars" onclick="alert('You selected ' + howMany(document.selectForm.cars) + ' cars')" />
</form>
My main question is about this line: document.selectForm.cars
what does this do and where can I find relevant information to read up on it? Why is it not using the usual getElementBy...? Mozilla only gives interfaces that are not relevant to this.
You are unlikely to see this pattern in more recent tutorials because it is a bit archaic:
document.selectForm
refers to to the form element with the name (or possibly id) attribute of selectForm. document.selectForm.cars is the <select> element inside it named cars. This old style of using document.*name* to refer to elements on the page should be replaced by document.getElementsByName or (after giving the form an ID) document.getElementById in modern code.
You could have figured this out by going to the console and typing document.selectForm, and you would have seen the element displayed

Copy value of one textbox to another using jQuery [closed]

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers.
This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers.
Closed 8 years ago.
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i just want to paste the content of one textbox to other when i click the button u . but it is not showing.
<html>
<head>
<script src="jquery_min.js">
</script>
<script>
$(document).ready(function(){
$("#button").click(function(){
var ravi=$("#text").val();
$("$text1").val(ravi);
});
});
</script>
</head>
<body>
<input type="text" value="ravi" id="text">
<input type="text" id="text1">
<input type="button" value="u" id="button">
</body>
</html>
You need to use # to target element by id in jQuery, so change:
$("$text1").val(ravi);
to:
$("#text1").val(ravi);

OnChange doesn't work javascript/html [closed]

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This question appears to be off-topic because it lacks sufficient information to diagnose the problem. Describe your problem in more detail or include a minimal example in the question itself.
Closed 8 years ago.
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I can't find my error. I looked at the other topics but no luck.
<div>
<input id="date1" name="date1" type="date">
<input id="date2" name="date2" type="date" onchange="date()">
<input id="date_diference" name="date_diference" type="date">
<script type="text/javascript">
function date(){
document.alert("hope to work");
}
</script>
</div>
this won't work:
document.alert("hope to work");
this will
alert("hope to work");

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