如何将J脚本转换为JQuery？

Question

如何将其转换为 JQuery？function contantForm(){    let Username = document.getElementById("Username").value;  //create element Id called Username    let Emailinput = document.getElementById("Email").value; //create element Id called Emailinput    alert("Thank you " + Username) //alerts user with thier username after clicking submit    document.getElementById("Username").value=""; //get username Id from index page    document.getElementById("Email").value=""; //get email Id from index page    document.getElementById("Phone").value=""; //get phone Id from index page}谢谢

Answer 1

纯JS和Jquery可以一起工作，你的代码总是使用或不使用jquery，但是如果你想要所有代码都采用相同的格式。

function contantForm()

{

    let Username = $("#Username").val();  

    let Emailinput = $("#Email").val(); 

    alert("Thank you " + Username) 

    $("#Username").val(""); 

    $("#Email").val(""); 

    $("#Phone").val(""); 

}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>