<html> <head> <body> <script src="https://cdn.bootcss.com/jquery/2.1.4/jquery.js"></script> <script> //模板引擎的代码 (function () { //underscore抄的模板引擎; var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g; var escapes = { "'": "'", '\\': '\\', '\r': 'r', '\n': 'n', '\t': 't', '\u2028': 'u2028', '\u2029': 'u2029' }; $.templateSettings = { evaluate : /<%([\s\S]+?)%>/g, interpolate : /<%=([\s\S]+?)%>/g, escape : /<%-([\s\S]+?)%>/g } $.template = function(text, data, settings) { var render; settings = $.extend({}, settings, $.templateSettings); // Combine delimiters into one regular expression via alternation. var matcher = new RegExp([ (settings.escape || noMatch).source, (settings.interpolate || noMatch).source, (settings.evaluate || noMatch).source ].join('|') + '|$', 'g'); // Compile the template source, escaping string literals appropriately. var index = 0; var source = "__p+='"; text.replace(matcher, function(match, escape, interpolate, evaluate, offset) { source += text.slice(index, offset) .replace(escaper, function(match) { return '\\' + escapes[match]; }); if (escape) { source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'"; } if (interpolate) { source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'"; } if (evaluate) { source += "';\n" + evaluate + "\n__p+='"; } index = offset + match.length; return match; }); source += "';\n"; // If a variable is not specified, place data values in local scope. if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n'; source = "var __t,__p='',__j=Array.prototype.join," + "print=function(){__p+=__j.call(arguments,'');};\n" + source + "return __p;\n"; try { render = new Function(settings.variable || 'obj', '_', source); } catch (e) { e.source = source; throw e; } if (data) return render(data, _); var template = function(data) { return render.call(this, data); }; // Provide the compiled function source as a convenience for precompilation. template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}'; return template; }; })(); </script> <script> //会输出 <div>haahah</div>; console.log( $.template('<div><%=data%></div>')( {data:"haahah"} ) ); </script> </body> </head> </html>
修改了时间轴的样式， 又为这个插件添加了拖拽的方法，代码一下变得好乱， 顺便普及一下拖拽的事件， ondrop， ondragover，ondrag， 如果要让元素可以拖拽, 就要为要拖拽的元素添加draggable="true", 元素可以拖拽以后 ， 要为可以拖放到的的DIV或者其他块元素，绑定一个dragover方法， 这个方法就做一件事， ev.preventDefault()， 看代码撒：
运行下面代码
<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"/> <style type="text/css"> #div1 {width:488px;height:70px;padding:10px;border:1px solid #aaaaaa;} </style> <script type="text/javascript"> //当元素dragover时候一定要阻止默认事件， 否则把当前拖拽的元素就无法drop; function dragover(ev) { console.log(ev); ev.preventDefault(); } //对于拖拽事件最重要的一个事件属性就是dataTransfer; function drag(ev) { console.log(ev); ev.dataTransfer.setData("Text",ev.target.id); } function drop(ev) { console.log(ev); var data=ev.dataTransfer.getData("Text"); ev.target.appendChild(document.getElementById(data)); } </script> </head> <body> <p>请把图片拖放到矩形中：</p> <div ondrop="drop(event)" ondragover="dragover(event)"></div> <br /> <img src="https://images0.cnblogs.com/news/24442/201507/081152502219706.gif" draggable="true" ondragstart="drag(event)" /> </body> </html> 另外一个DEMO： 运行下面代码 <!DOCTYPE HTML> <html> <head> <meta charset="utf-8"/> <style type="text/css"> </style> </head> <body> <p>What fruits do you like?</p> <ol ondragstart="dragStartHandler(event)"> <li draggable="true" data-value="fruit-apple">Apples</li> <li draggable="true" data-value="fruit-orange">Oranges</li> <li draggable="true" data-value="fruit-pear">Pears</li> </ol> <script> var internalDNDType = 'text/x-example'; // set this to something specific to your site function dragStartHandler(event) { if (event.target instanceof HTMLLIElement) { // use the element's data-value="" attribute as the value to be moving: event.dataTransfer.setData(internalDNDType, event.target.dataset.value); event.dataTransfer.effectAllowed = 'move'; // only allow moves } else { event.preventDefault(); // don't allow selection to be dragged } } </script> <p>Drop your favorite fruits below:</p> <ol ondrop="dropHandler(event)" ondragover="dragover(event)"> <!-- don't forget to change the "text/x-example" type to something specific to your site --> <li>drop</li> </ol> <script> var internalDNDType = 'text/x-example'; // set this to something specific to your site function dropHandler(event) { var li = document.createElement('li'); var data = event.dataTransfer.getData(internalDNDType); if (data == 'fruit-apple') { li.textContent = 'Apples'; } else if (data == 'fruit-orange') { li.textContent = 'Oranges'; } else if (data == 'fruit-pear') { li.textContent = 'Pears'; } else { li.textContent = 'Unknown Fruit'; } event.target.appendChild(li); }; function dragover(ev) { ev.preventDefault(); }; </script> </body> </html>