change button on click jquery code example

Example 1: how to click button programmatically in jquery

$('#your_link_id').click()

Example 2: jquery change button click function

$("#click-button").on('click', firstClick)

function firstClick() {
    alert("First Clicked");
    $("#click-button").off('click').on('click', secondClick)
}

function secondClick() {
    alert("Second Clicked");
    $("#click-button").off('click').on('click', firstClick)
}