Answer & Solution
$('button').off('click', clickHandler);
<code><button>
elements using jQuery?
$('button').off('click', clickHandler);
Which jQuery method is used to bind event handlers to elements that match a selector, now and in the future?
A). $(document).on(eventType, selector, function() {...});
B). $(document).bind(eventType, selector, function() {...});
C). $(document).delegate(selector, eventType, function() {...});
D). $(document).live(selector, eventType, function() {...});
Which jQuery method is used to bind event handlers to the document itself?
A). $(document).on();
B). $(document).bind();
C). $(document).attach();
D). $(document).delegate();
How to bind a submit event handler to all<form>
elements using jQuery?
A). $('form').on('submit', function() {...});
B). $('form').addEventListener('submit', function() {...});
C). $('form').bind('submit', function() {...});
D). $('form').submit(function() {...});
How to bind a keydown event handler to the document using jQuery?
A). $(document).keydown(function(event) {...});
B). document.addEventListener('keydown', function(event) {...});
C). $('document').on('keydown', function(event) {...});
D). $('document').keydown(function(event) {...});
How to bind a mouseover event handler to all<div>
elements using jQuery?
A). $('div').on('mouseover', function() {...});
B). $('div').addEventListener('mouseover', function() {...});
C). $('div').bind('mouseover', function() {...});
D). $('div').mouseover(function() {...});
How to bind a focus event handler to all<input>
elements using jQuery?
A). $('input').on('focus', function() {...});
B). $('input').addEventListener('focus', function() {...});
C). $('input').bind('focus', function() {...});
D). $('input').focus(function() {...});
How to bind a change event handler to all<select>
elements using jQuery?
A). $('select').on('change', function() {...});
B). $('select').addEventListener('change', function() {...});
C). $('select').bind('change', function() {...});
D). $('select').change(function() {...});
Which jQuery method is used to bind event handlers to elements that are currently matching a selector?
A). $(selector).on();
B). $(selector).bind();
C). $(selector).live();
D). $(selector).delegate();
Which jQuery method is used to unbind event handlers from DOM elements?
A). $('element').unbind();
B). $('element').removeEventListener();
C). $('element').off();
D). $('element').remove();
Which jQuery method is used to bind event handlers to elements that match a selector, now and in the future?
A). $(document).delegate(selector, eventType, function() {...});
B). $(document).live(selector, eventType, function() {...});
C). $(document).on(eventType, selector, function() {...});
D). $(document).bind(eventType, selector, function() {...});