Monday, 6 April 2020

Javascript Concepts Functions Related

  • Global Scope
  • Local Scope
var greeting='Welcome to blog';
(function(){
  console.log(greeting); //Output: Welcome to blog
})();
consider above code greeting variable should be global scope, it can access inside the function,
(function(){var greeting = 'Welcome to blog';
  console.log(greeting); //Output: Welcome to blog
})();console.log(greeting); //Output:Reference-Error greeting not defined

Auto select after redirect to the contact page SELECT JAVASCRIPT

 https://domain.my/contact/?startup_package=UltimateImpact         <select name="startup_package" class="form-select"...