jQuery toggleClass example
Toggle class name on click in jQuery
by aarkuo17
HTML
<div id='main'>
</div>
JavaScript
var newdiv1 = document.createElement('div');
newdiv1.id = "buttondiv";
$('#main').append(newdiv1);
var newbtn = document.createElement('button');
newbtn.id = "clean";
newbtn.innerHTML = "清空";
newbtn.className = "submit";
newbtn.type = "button";
var newbtn1 = document.createElement('button');
newbtn1.id = "create";
newbtn1.innerHTML = "新增";
newbtn1.type = "button";
newbtn1.className = "submit";
var newbtn2 = document.createElement('button');
newbtn2.id = "alert";
newbtn2.type = "button";
newbtn2.innerHTML = "修改";
newbtn2.className = "submit";
newdiv1.appendChild(newbtn);
newdiv1.appendChild(newbtn1);
newdiv1.appendChild(newbtn2);
$div = $('<div></div>')
$btn = $('<button></button>')
$btn.attr({
id:'newcreate'
})
$btn.text('dd');
$btn.addClass('submit')
$btn1 = $('<button></button>')
$btn1.attr('id', 'newclear');
$btn1.text('clear');
$btn1.addClass('submit')
$btn2 = $('<button></button>');
$btn2.attr('id','newalert');
$btn2.text('alert');
$btn2.addClass('submit')
$('#main').append($div);
$div.append($btn);
$div.append($btn1);
$div.append($btn2);