in jquery append append blue button in javascript

To append a blue button in JavaScript using jQuery, you can use the following code:

index.tsx
// create a button element
var button = $("<button>");

// add text to the button
button.text("Click Me");

// add CSS classes to the button
button.addClass("btn");
button.addClass("btn-primary");

// append the button to the DOM
$("body").append(button);
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This code creates a button element using jQuery, adds text to the button, adds CSS classes to style the button as a Bootstrap button with a blue color, and then appends the button to the body of the HTML document.