Upon page load, the function is executed regardless of whether the button has been clicked or not. It's important to note that I am utilizing EJS.
I experimented with changing the <% tag to <%= and <%-, and also attempted using an arrow function:
<% () => Delt(this.id);%><%function Delt() { Array.pop(); }%>
<button onclick="<%Delt(this.id);%>">Delete</button>
It seems like there may be some confusion between client-side and server-side code. Anything within the ejs tags is executed on the server before your DOM loads. Therefore, functions defined within ejs tags are executed because they are not in client-side js. It's recommended to define your functions in client-side JavaScript rather than within ejs, and the same goes for function calls.
<%function Delt() { Array.pop(); }%> // function definition in ejs
<button onclick="<%Delt(this.id);%>">Delete</button> // function call in ejs
Everything is executed on the server before your DOM loads. When you make a normal function call in ejs, it doesn't recognize your onclick event because that is part of your browser's functionality.
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