使用HTML5本地存储实现的待办事项列表

to-do list app with html5 localStorage api

html5, storage

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HTML
CSS
JavaScript
Result

编译

JavaScript

$(function() {
    var db = localStorage;
    var form = $('#task-form');
    var list = $('#task-list');
    var input = $('#task-input');
    var clear = $('#clear');

logDB();
    bindEvents();
    renderAll();

function bindEvents() {
        form.submit(function(event) {
            var task = input.val();
            if (task !== "") {
                create(task);
                input.val('').focus();
            }
            logDB();
            event.preventDefault();
        });

list.on("click", "li", function(event) {
            key = $(this).attr('id');
            complete(key);
            logDB();
        });

clear.click(function(event) {
            clearDB();
            logDB();
        });
    }

function render(key) {
        list.append("<li id='" + key + "'>" + db.getItem(key) + "</li>");
    }

function renderAll() {
        for (var i = 0; i < db.length; i++) {
            var key = db.key(i);
            render(key);
        }
    }

function create(task) {
        var count = db.length + 1;
        var time = Date.now();
        var key = "key-" + time + count;

db.setItem(key, task);
        render(key);
    }

function complete(key) {
        db.removeItem(key);
        $('#' + key).remove();
    }

function clearDB() {
        db.clear();
        list.empty();
    }

function logDB() {
        // console.clear();
        console.log(db);
    }
});

编译

CSS

/* base, reset, and utility */

html {
    box-sizing: border-box;
}
*,
*:before,
*:after {
    box-sizing: inherit;
}
* {
    margin: 0;
    padding: 0;
}
html,
body {
    width: 100%;
    height: 100%;
}
.clearfix:after,
.row:after {
    content: "";
    display: table;
    clear: both;
}
/* typography */

body {
    color: #2B3437;
    font-family: "HelveticaNeue", "Helvetica Neue", Helvetica, Sans-serif;
    font-size: 16px;
    text-align: center;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
h1 {
    color: #444;
    font-size: 24px;
    font-weight: normal;
    margin: 0 0 .7em;
    padding: 12px 0;
    text-align: center;
}
/* structure */

.container {
    margin: 0 auto;
    max-width: 34em;
    padding: 2.5em;
    text-align: left;
}
.row {
    clear: both;
    margin-bottom: 1em;
    width: 100%;
}
/* list */

ul {
    display: block;
    list-style: none;
    width: 100%;
}
ul li {
    border-bottom: solid 1px #ccc;
    color: #444;
    cursor: pointer;
    display: block;
    padding: 13px 16px 12px;
    text-transform: capitalize;
}
ul li:last-child {
    border-bottom-color: transparent;
}
ul li:hover {
    color: tomato;
    text-decoration: line-through;
}
/* inputs */

input[type=text] {
    -webkit-transition: border-color .2s ease, background-color .2s ease;
    transition: border-color .2s ease, background-color .2s ease;
    background: #fff;
    border: none;
    border-bottom: solid 2px #bbb;
    border-radius: 0px;
    line-height: normal;
    padding: 12px 16px 12px;
    width: 100%;
}
input[type=text]:hover {
    border-color: #777;
}
input[type=text]:focus {
    border-color: #5CACCA;
    outline: none;
}
.group {
    -webkit-align-content: stretch;
    -ms-flex-line-pack: stretch;
    align-content: stretch;
    -webkit-box-align: end;
    -webkit-align-items: flex-end;
    -ms-flex-align: end;
    align-items: flex-end;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-flow: row nowrap;
    -ms-flex-flow: row nowrap;
    flex-flow: row nowrap;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
}
.group-fill {
    display: inline-block;
    margin: 0 auto;
    -webkit-box-ordinal-group: 2;
    -webkit-order: 1;
    -ms-flex-order: 1;
    order: 1;
    -webkit-box-flex: 1;
    -webkit-flex-grow: 1;
    -ms-flex-positive: 1;
    flex-grow: 1;
}
.group-side {
    display: inline-block;
    margin: 0 auto;
    -webkit-box-ordinal-group: 3;
    -webkit-order: 2;
    -ms-flex-order: 2;
    order: 2;
}
/* input placeholder text */

::-webkit-input-placeholder {
    color: #AAA;
}
::-moz-placeholder {
    color: #AAA;
}
:-ms-input-placeholder {
    color: #AAA;
}
/* button */

.button {
    background: #fff;
    border: none;
    border-bottom: solid 2px #5CACCA;
    border-top: solid 1px transparent;
    border-radius: 0px;
    color: #5CACCA;
    padding: 12px 16px;
    margin-left: 2px;
}
.button:hover {
    color: #79C8E5;
    border-bottom-color: #79C5E1;
}
.button:focus {
    outline: none;
    border-bottom-color: #79C5E1;
}
#clear {
    cursor: pointer;
    text-decoration: none;
    position: fixed;
    right: 5px;
    bottom: 5px;
    background: white;
    padding: 1em;
    color: #888;
    font-size: 12px;
}
#clear:hover {
    color: tomato;
}
#clear strong {
    font-size: 14px;
    margin-left: 3px;
}

HTML

to-do list app with html5 localStorage api

html5, storage

编辑器支持Emmet

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to-do list app with html5 localStorage api

html5, storage

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