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how to get a placeholder's value in javascript
I don't want JQuery to get the value
can anyone tell how to get it
const ip = document.getElementById("ip").getAttribute('placeholder');
console.log(ip);
<input type="text" placeholder="some value" id="ip">
You can use the getAttribute() method to get the value of an attribute of a DOM element. MDN - Element.getAttribute()
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
function myFunction() {
var x = document.getElementById("myText").placeholder;
console.log(x);
}
</script>
<html>
<body>
First Name: <input type="text" id="myText" placeholder="Name">
<p>Click the button to view the placeholder content in console.log</p>
<button onclick="myFunction()">Click Here</button>
</body>
</html>
Related
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This code are working fine, but when I write on "#sub_id" field then remove all existing value on "#landing" field but I can not remove, I need to add "#sub_id" after "#landing" value.
<html>
<body>
<form>
<label for="p_url">landing page</label>
<input type="text" id="landing" name="p_url" placeholder="Campaign Name" value="www.example.com?" readonly>
<label for="pi">Promotional Info</label>
<input type="text" id="sub_id" name="pi" placeholder="sub_id">
</form>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("#sub_id").keyup(function(){
$("#landing").val($("#sub_id").val());
});
});
</script>
</body>
</html>
Try with:
$("#landing").val($("#landing").val() + $("#sub_id").val());
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I have one long page of content. If I want to create a search bar so that when the user searches something that exists somewhere on the single page, it redirects them to that part of the page (like it goes to the middle or the bottom of the page). Does this require any back-end like PHP or can I do this with just HTML?
You can make use of window.find() in JavaScript
Reference: https://developer.mozilla.org/en-US/docs/Web/API/Window/find
Demo:
function search(string){
window.find(string);
}
<input placeholder="type foo or bar" type="text" id="search">
<input type="button" value="Go" onclick="search(document.getElementById('search').value)">
<br><br><br><br><br><br><br><br><br><br><br><br>
<br><br><br><br><br><br><br><br><br><br><br><br>
<br><br><br><br><br><br><br><br><br><br><br><br>
<p>foo</p>
<p>bar</p>
<p>hello world</p>
Easiest thing to do would be some javascript
<input id="searchText"><button onclick="search()">Search</button>
<script>
function search() {
var searchText = $("#searchBar").val();
$(".searchText:contains('" + searchText + "')").css("background","#FF0");
}
</script>
<div class=".searchText">Some kind of text would go here</div>
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x = document.getElementById("numb").value;
i don't understand what ".value" means?
i have already tried to find solution from google and past questions of javascript.
so please tell explanation for better understanding.
value here is a property of the Element Object returned by getElementById.
As you can see at this link, this is a property of almost all HTML form elements, such as <input> fields.
.value means that you get the value assigned to a HTML element. For example:
<html>
<head>
<script>
function getName()
{
var x = document.getElementById("numb").value;
msgbox(x);
}
</script>
</head>
<body>
<input type='button' value='Get Name' onclick='getName()'/>
<input id='numb' type='text' name='myname' value='5'/>
</body>
</html>
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I want add value textbox into another textboxt when onchange
like this totorial but this tutorial save value to alert
$('#selector').change(function () {
alert($('#selector').val());
});
<input type="text" id="selector">
<input type="text" id="value">
tutorial
I want to be like this
how can I make it?
$('#selector').change(function () {
alert($('#selector').val());
$('#selector2').val($('#selector').val())
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
<input type="text" id="selector">
<input type="text" id="selector2">
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I want to call the function in every input pass on textbox, but it does not work., either when i enter any input or remove input..it is work like intellisense textbox
<input id="btnSearch" type="text" value="Search" class="search_btn" onchange="Call()" />
<script>
function Call()
{
alert("Me");
}
</script>
Probably what you want to do is -
<input id="txt_Search" type="text" onchange="Call()" />
<script>
function Call()
{
alert("Search suggestions can come here!!");
}
</script>
Or, using simple jQuery
$("#txt_Search").keyup( function() {
var searchQuery = $("#txt_Search").val();
alert("Seacrh suggestion satrting with - " + searchQuery);
});
you can also use textbox events -
<input id="txt1" type="text" onchange="SetDefault($(this).val());" onkeyup="this.onchange();" onpaste="this.onchange();" oninput="this.onchange();">
jquery -
function SetDefault(Text){
alert(Text);
}
Try This