Dynamically add array textbox in a form [closed] - javascript

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I need to add in all the textbox manually in my project.
<form>
<?php for($i=0;$i<3;$i++){ ?>
<input type="text" name="product[]">
<?php } ?>
</form>
how can i solve this problem so that the number of product for insert can be flexible.
For example, user1 need to purchase 4 item, user2 wan to purchase 8 item. wihtout dynamic textbox, i need to add the textbox manually by adjusting the looping value (in my coding).

It sounds like this is an update to customer products right?
if so, you probably have products array somewhere.
so you might do :
$products = $customer->products ;//or your array
for($i=0;$i<count($products);$i++){
// your code
}
or you can add it via javascript (sounds more like it if this is the purchase moment - new products, not update)
or you might want to have somewhere a config per customer.
or Please be more specific and more descriptive

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Is there any way to create automatically check boxes in PHP? [closed]

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My plan is to automatically create checkboxes with names and random values for example a hundred in a for loop. Is there any way to do this?
And if i want to use these how to change the value and save it to the array?
in php
<?php
for($i=0;$i<100;$i++){
echo '<input type="checkbox">';
}
//if you want to add a submit btn at last
echo '<input type="submit" value="Submit">';
?>
It is the code to automatically create 100 checkboxes
And put your own values and styles

How do I output a variable from JavaScript to HTML [closed]

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enter image description here
1)Make up the design below
2)License type output in Bebas font-output via font-face
3)Display the selected license type and total amount
4)The format of the link in the Buy Now button is formed at your discretion
(How to execute an item highlighted in italics)
You need to have an HTML element (like a paragraph) where you want to display the amount.
If you give the element an id attribute with the value "my-paragraph", then your script can get the element like myParagraph = document.getElementById("my-paragraph").
Then you can change the content of the element like myParagraph.textContent = myAmount.
Begin your learning journey on MDN: https://developer.mozilla.org/en-US/docs/Web/API/Document_Object_Model/Introduction

unable to deal with empty field in my code [closed]

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Here I need to provide officename to find the address ,but one challenge which I am facing that if user does not type anything and hit search button then I want to acknowledge them to fill the req input.
I have implemented one function also that will get invocked when someone hits the search button.But I am unable to proceed for further execution.
You can do it something like this:
var searchText = document.getElementById('<ID_OF_INPUT_FIELD>').value;
if(!searchText) {
alert('Please enter something');
}
<input id =“officeInput” name=“officeiupit” size=“35”>
Point to critical input fields and save in global variables:
oOf=document.getElementById(‘officeInput’);
When a search button has been clicked, make a copy of the textbook content inside your function which you've made:
var sInputText=oOf.value;
In this case inside your function just put
if(!sInputText)
alert(“You must enter an input.“);

HTML - Calling Javascript Function with variable? [closed]

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So I am trying to do a button and if you click on it then it calls a function called order(). So, If I'm trying to do something like this order("+<script>blablabla</script>+") then it shows me a error if I type into something between the "+HERE+" Why that? Is there any way around it?
You could always do something like this. Maybe change the divs around a bit and add a rounding system. This gives you a live update on the costs when selecting how many keys.
https://jsfiddle.net/8hube9ua/
Throw this under your select,
<span data-val="1.85">1.85</span> <!--How much each key is-->
then throw this into the script.
<script>
$('#suiface').change(function(){
var span = $(this).next('span');
span.text(span.data('val') * parseInt(this.value,10)) //multiplies the cost by the option selected
})
</script>
I'm not sure to understand, but why don't you write something like this ?
<button onclick="order()">Blablabla</button>

How to delete selected row from database with php,js? [closed]

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On a php page I will show the records of table. Then I want to delete the selected rows by checkboxes by clicking the button. How do I do that?
You can simply make with POST method also
Just set the id of row (retreive from database) as value of checkbox.
<input type="checkbox" name="chk[]" value=<?php echo $id;?> " >
and then hit the DELETE button.
On POST page you will get the ID of checked record.
Get all ID and combine all ID with implode function
$chkIds = $_POST["chk"];
$allIds = implode("','",$chkIds);
run the SQL query like :-
"DELETE FROM tablename WHERE id IN ('$allIds')"
you should pass your selected data id to your server;
FE: ajax -> send data to SERVER:php -> DATABAST:mysql run sql delete from table where xxx
So you should try learn about ajax and php pdo

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