jquery-创建复杂HTML片段的最佳实践

// create an element with an object literal, defining properties
var e = $("<a />", {
    href: "#",
    "class": "a-class another-class", // you need to quote "class" since it's a reserved keyword
    title: "..."
});

// add the element to the body
$("body").append(e);

a link to the documentation

html() innerHTML

$('#existingContainer').append(
  $('<div/>')
    .attr("id", "newDiv1")
    .addClass("newDiv purple bloated")
    .append("<span/>")
      .text("hello world")
);

$.load()

jQote

<script type="text/html" id="item_tmpl">

  <div id="<%=id%>" class="<%=(i % 2 == 1 ? " even" : "")%>">
    <div class="grid_1 alpha right">
      <img class="righted" src="<%=profile_image_url%>"/>
    </div>
    <div class="grid_6 omega contents">
      <p><b><a href="/<%=from_user%>"><%=from_user%></a>:</b> <%=text%></p>
    </div>
  </div>

</script>

var results = document.getElementById("results");
results.innerHTML = tmpl("item_tmpl", dataObject);

http://ejohn.org/blog/javascript-micro-templating/

Handlebars.js

$$('div', {'id':'container'},
    $$('div', {'id':'my_div'},
        $$('h1',{'class':'my_header'},
            $$('a',{'href':'/test/', 'class':'my_a_class'}, 'teststring'))));

$$('div', {'id':'container'},
    $$('div', {'id':'my_div'},
        $$('h1',{'class':'my_header'},
            $$('a', { 'href': '/test/', 'class': 'my_a_class' }, 'teststring')
        ).click(function() { alert('clicking on the header'); })
    ).data('data for the div')
).hide();

function $$(tagName, attrTextOrElems) {
    // Get the arguments coming after the params argument
    var children = [];
    for (var _i = 0; _i < (arguments.length - 2) ; _i++) {
        children[_i] = arguments[_i + 2];
    }

    // Quick way of creating a javascript element without JQuery parsing a string and creating the element
    var elem = document.createElement(tagName);
    var $elem = $(elem);

    // Add any text, nested jQuery elements or attributes
    if (attrTextOrElems) {
        if (typeof attrTextOrElems === "string") { // text
            var text = document.createTextNode(attrTextOrElems);
            elem.appendChild(text);
        }
        else if (attrTextOrElems instanceof jQuery) { // JQuery elem
            $elem.append(attrTextOrElems);
        }
        else // Otherwise an object specifying attributes e.g. { 'class': 'someClass' }
        {
            for (var key in attrTextOrElems) {
                var val = attrTextOrElems[key];
                if (val) {
                    elem.setAttribute(key, val);
                }
            }
        }
    }

    // Add any further child elements or text    
    if (children) {
        for (var i = 0; i < children.length; i++) {
            var child = children[i];
            if (typeof child === "string") { // text
                var text = document.createTextNode(child);
                elem.appendChild(text);
            } else { // JQuery elem
                $elem.append(child);
            }
        }
    }
    return $elem;
}

var div1 = $('<div class="colwrap_fof"></div>');        //THE COMPLEX DIV ITSELF
var div2 = $('<div class="homeimg"></div>');                
var div21 = $('<div id="backImageDiv'+fof_index+'" class="backDiv"></div>');
var div22 = $('<div id="frontImageDiv'+fof_index+'"  class="frontDiv"></div>');
div2.append(div21);
div2.append(div22);
div1.append(div2);
$("#df_background").append(div1);     // ADDING the complex div to the right place      

<template>

$(function () {
    // Get template
    var template = $("#template").html();

    // Create a new row from the template
    var $row = $(template);

    // Add data to the row
    $row.find("td[data-template='firstName']").text("Foo");
    $row.find("td[data-template='lastName']").text("Bar");

    // Add the row to the table
    $("#table").append($row);
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<template id="template">
  <tr>
    <td data-template="firstName"></td>
    <td data-template="lastName"></td>
  </tr>
</template>

<table id="table">
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
  </tr>
</table>