Pass javascript variable to php laravel

PHP has finished doing its work even before the page hits your browser, so passing a variable from Javascript to PHP without doing another request is simply impossible. Consider

A] Moving your loop to Javascript. Consider using some UI library like Vue.js, Angular or React.

B] Move the contents of myJsVar to PHP. If it depends on user input or browser rendering, that impossible.

C] Performing the rendering logic through an Ajax-request

$.ajax[{
            type: 'GET',
            url: myUrl,
            headers: {'X-Requested-With': 'XMLHttpRequest'},
            data: {value: myJsVar},
            success: function [response] {
                $[someContainer].html[response];
            }
        }];

And in your controller:

public function prod[]
{
   $value =  Request::get['value'];

   return view['view-with-a-loop']->with['value', $value];
}

Be careful with the latter method XSS-wise.

 
var id = $['#recordID'].val[];
var url = '{{ route["deleteRecord", ":id"] }}';
url = url.replace[':id', id];
//Call ajax
$.ajax[{
    type : "POST",
    url : url,
    success:function[response]{
        console.log[response];
    }
}];


Route::post['/delete-record/{id}', [RecordController::class, 'delete']]->name['deleteRecord'];

//localhost:8000/delete-record/1

You can pass javascript value to laravel route using replace method on url variable and assign to url parameter of ajax method.

Table of contents
• Laravel blade pass Javascript variable in php
• Pass variable from blade to controller Laravel
• Laravel 7.x and 6.x Passing Variable to Javascript Example
• Blade Templates
• Questions

Laravel blade pass Javascript variable in php

        var myJsVar = 100;

        @for [$i = 0; $iajax[]] {
        $ajax = "AJAX";
        dd[$ajax];
    } else {
        $ajaxN = "NO Ajax";
        dd[$ajaxN];
    }
}

$.ajax[{
            type: 'GET',
            url: myUrl,
            headers: {'X-Requested-With': 'XMLHttpRequest'},
            data: {value: myJsVar},
            success: function [response] {
                $[someContainer].html[response];
            }
        }];

public function prod[]
{
   $value =  Request::get['value'];

   return view['view-with-a-loop']->with['value', $value];
}

@extends['layouts.app']

@section['javascript']


    var myInteger = {!! $myInteger !!};
    var myString = '{!! $myInteger !!}';
    var myObject = {!! json_encode[$models] !!};


@endsection

@section['content']
...
@endsection

    @yield['content']
    @yield['javascript']

Pass variable from blade to controller Laravel

@php echo App\Http\Controllers\HomeController::getUserByID[1];  @endphp

public static function getUserByID[$id]{
    $user = User::findOrFail[$id];
    return $user;
}

{"id":1,"name":"john","email":"[email protected]","email_verified_at":"2021-08-02T00:38:40.000000Z","created_at":"2021-08-02T00:38:40.000000Z","updated_at":"2021-08-02T00:38:40.000000Z"}

use App\Http\Controllers\HomeController;
Route::get['user/{id}/{name}', [HomeController::class, 'getUserDetail']]->name['user.detail'];

public function getUserDetail[$id, $name]{
    echo 'User ID = '. $id. "
";
    echo 'User Name = '. $name;
}

@php $userID = 1; $name = 'summer'; @endphp
 Get user Deatails 

User ID = 1User Name = summer

Laravel 7.x and 6.x Passing Variable to Javascript Example

public function index[]{    $users = User::get[];    return view['users.index', compact['users']];}

    var users = {!! json_encode[$users->toArray[]] !!};     console.log[users];

Blade Templates

Route::get['/', function [] {    return view['greeting', ['name' => 'Finn']];}];

Route::get['/', function [] {    return view['welcome', ['name' => 'Samantha']];}];

Hello, {{ $name }}.

The current UNIX timestamp is {{ time[] }}.

;

    var app = {{ Illuminate\Support\Js::from[$array] }};

    var app = {{ Js::from[$array] }};

@verbatim    
        Hello, {{ name }}.    
@endverbatim

@if [count[$records] === 1]    I have one [email protected] [count[$records] > 1]    I have multiple [email protected]    I don't have any [email protected]

@unless [Auth::check[]]    You are not signed [email protected]

@isset[$records]    // $records is defined and is not [email protected] @empty[$records]    // $records is "empty"[email protected]

@auth    // The user is [email protected] @guest    // The user is not [email protected]

@auth['admin']    // The user is [email protected] @guest['admin']    // The user is not [email protected]

@production    // Production specific [email protected]

@env['staging']    // The application is running in "staging"[email protected] @env[['staging', 'production']]    // The application is running in "staging" or "production"[email protected]

@hasSection['navigation']    
        @yield['navigation']    
     
@endif

@sectionMissing['navigation']    
        @include['default-navigation']    
@endif

@switch[$i]    @case[1]        First case...        @break     @case[2]        Second case...        @break     @default        Default [email protected]

@for [$i = 0; $i < 10; $i++]    The current value is {{ $i }}@endfor @foreach [$users as $user]    
This is user {{ $user->id }}
@endforeach @forelse [$users as $user]    
{{ $user->name }}
@empty    
No users
@endforelse @while [true]    
I'm looping forever.
@endwhile

@foreach [$users as $user]    @if [$user->type == 1]        @continue    @endif     
{{ $user->name }}
     @if [$user->number == 5]        @break    @[email protected]

@foreach [$users as $user]    @continue[$user->type == 1]     
{{ $user->name }}
     @break[$user->number == 5]@endforeach

@foreach [$users as $user]    @if [$loop->first]        This is the first iteration.    @endif     @if [$loop->last]        This is the last iteration.    @endif     
This is user {{ $user->id }}
@endforeach

@foreach [$users as $user]    @foreach [$user->posts as $post]        @if [$loop->parent->first]            This is the first iteration of the parent loop.        @endif    @[email protected]

@php    $isActive = false;    $hasError = true;@endphp  $isActive,    'text-gray-500' => ! $isActive,    'bg-red' => $hasError,]]> 

active]] />

    @foreach [$product->versions as $version]                    {{ $version }}            @endforeach

isNotEmpty[]]>Submit

    @include['shared.errors']                 

@include['view.name', ['status' => 'complete']]

@includeIf['view.name', ['status' => 'complete']]

@includeWhen[$boolean, 'view.name', ['status' => 'complete']] @includeUnless[$boolean, 'view.name', ['status' => 'complete']]

@includeFirst[['custom.admin', 'admin'], ['status' => 'complete']]

@each['view.name', $jobs, 'job']

@each['view.name', $jobs, 'job', 'view.empty']

@once    @push['scripts']                    // Your custom JavaScript...            @[email protected]

@pushOnce['scripts']            // Your custom JavaScript...    @endPushOnce

@php    $counter = 1;@endphp

{{-- This comment will not be present in the rendered HTML --}}

php artisan make:component Alert

php artisan make:component Forms/Input

php artisan make:component forms.input --view

use Illuminate\Support\Facades\Blade; /** * Bootstrap your package's services. */public function boot[]{    Blade::component['package-alert', Alert::class];}

use Illuminate\Support\Facades\Blade; /** * Bootstrap your package's services. * * @return void */public function boot[]{    Blade::componentNamespace['Nightshade\\Views\\Components', 'nightshade'];}