Clear Canvas
Save Signature
 

//頁面加載完畢之后使用下面的方法來初始化該簽名插件
$(document).on('ready', function() {
 $('.js-signature').jqSignature();
});
 
function clearCanvas() {
 $('#signature').html('
Your signature will appear here when you click "Save Signature"
');
 $('.js-signature').jqSignature('clearCanvas');
 $('#saveBtn').attr('disabled', true);
}
 
function saveSignature() {
 $('#signature').empty();
 var dataUrl = $('.js-signature').jqSignature('getDataURL');
 var img = $('').attr('src', dataUrl);
 $('#signature').append($('
').text("Here's your signature:"));
 $('#signature').append(img);
}
 
$('.js-signature').on('jq.signature.changed', function() {
 $('#saveBtn').attr('disabled', false);
});