jquery常用代码段

$('li').replaceWith(function(){

return $("<div />").append($(this).contents());

});

var responsive_viewport = $(window).width();

if (responsive_viewport < 481) {

alert('Viewport is smaller than 481px.');

}

$("#textA").bind('copy', function() {

$('span').text('copy behaviour detected!')

});

$("#textA").bind('paste', function() {

$('span').text('paste behaviour detected!')

});

$("#textA").bind('cut', function() {

$('span').text('cut behaviour detected!')

});

var root = location.protocol + '//' + location.host;

$('a').not(':contains(root)').click(function(){

this.target = "_blank";

});