javascript商品,javascript購物網(wǎng)站

如何用JS實現(xiàn)商品的組合多選。

定義一個json 變量 價格 名稱 id什么的都設(shè)定好

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每點一次 就添加一次數(shù)據(jù) 反之可以去除

結(jié)算那根據(jù)json的數(shù)據(jù)算出來就行了

javascript如何實現(xiàn)淘寶商品列表里面的分類超過一行后用一行顯示，點擊更多后會把超出的部分顯示出來。

html?xmlns="

"

head?runat="server"

meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"/

title/title

script?src="jquery-1.8.0.min.js"/script

script?type="text/javascript"

function?fang(){

$("#er").css("display",?"block");

$("#but").css("display",?"none");

$("#but1").css("display",?"block");

}

function?shou()?{

$("#er").css("display",?"none");

$("#but").css("display",?"block");

$("#but1").css("display",?"none");

}

/script

style?type="text/css"

.a1{

position:relative;

color:red;

width:100%;

}

.b1{

position:relative;

float:left;

width:20%;

}

.b2{

position:relative;

float:left;

width:60%;

}

.b3{

position:relative;

float:left;

width:20%;

}

span{

width:100%;

position:relative;

float:left;

height:40px;

}

.but{

display:none;

}

/style

/head

body

form?id="form1"?runat="server"

div?class="a1"

div?class="b1"電腦CPU/div

div?class="b2"span?酷睿I3/spanspan?id="er"酷睿I5/span/div

div?class="b3"

input?type="button"?id="but"?class="but"?onclick="fang();"?value="更多"?/

input?type="button"?id="but1"?class="but1"?onclick="shou();"?value="收起"?/

/div

/div

/form

/body

/html

忘采納！

javascript調(diào)用商品信息，沒有反應(yīng)。高手幫看下。那里出了問題。10個商品中就有3個沒有反應(yīng)的。感動中

這些類似很亂的標(biāo)簽和提示應(yīng)該是用后臺程序顯示的，可以看到里面有明顯的出錯信息，建議查看后臺程序接口是否有錯誤。

用javascript怎么一次計算多個商品總價

是要多個值相加求和么？ 舉個例子：兩個值相加，第一個值的id定為fId、第二個值的id定為sId。JavaScript中寫個方法

JavaScript...

function sum(){

var id1=document.getElementById("fId").value;

var id2=document.getElementById("sId").value;

//兩個值相加即可，注意轉(zhuǎn)換為double型的

}

/JavaScript

然后jsp下面在調(diào)用這個方法就好了 在哪調(diào)用就是你的事了

JavaScript 商品展示圖片左右滾動代碼怎么寫？

!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ""

html xmlns=""

head

meta http-equiv="Content-Type" content="text/html; charset=gb2312" /

titleJavaScript 圖片滑動切換效果/title

script type="text/javascript"

var $ = function (id) {

return "string" == typeof id ? document.getElementById(id) : id;

};

var Extend = function(destination, source) {

for (var property in source) {

destination[property] = source[property];

}

return destination;

}

var CurrentStyle = function(element){

return element.currentStyle || document.defaultView.getComputedStyle(element, null);

}

var Bind = function(object, fun) {

var args = Array.prototype.slice.call(arguments).slice(2);

return function() {

return fun.apply(object, args.concat(Array.prototype.slice.call(arguments)));

}

}

var Tween = {

Quart: {

easeOut: function(t,b,c,d){

return -c * ((t=t/d-1)*t*t*t - 1) + b;

}

},

Back: {

easeOut: function(t,b,c,d,s){

if (s == undefined) s = 1.70158;

return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;

}

},

Bounce: {

easeOut: function(t,b,c,d){

if ((t/=d) (1/2.75)) {

return c*(7.5625*t*t) + b;

} else if (t (2/2.75)) {

return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;

} else if (t (2.5/2.75)) {

return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;

} else {

return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;

}

}

}

}

//容器對象,滑動對象,切換數(shù)量

var SlideTrans = function(container, slider, count, options) {

this._slider = $(slider);

this._container = $(container);//容器對象

this._timer = null;//定時器

this._count = Math.abs(count);//切換數(shù)量

this._target = 0;//目標(biāo)值

this._t = this._b = this._c = 0;//tween參數(shù)

this.Index = 0;//當(dāng)前索引

this.SetOptions(options);

this.Auto = !!this.options.Auto;

this.Duration = Math.abs(this.options.Duration);

this.Time = Math.abs(this.options.Time);

this.Pause = Math.abs(this.options.Pause);

this.Tween = this.options.Tween;

this.onStart = this.options.onStart;

this.onFinish = this.options.onFinish;

var bVertical = !!this.options.Vertical;

this._css = bVertical ? "top" : "left";//方向

//樣式設(shè)置

var p = CurrentStyle(this._container).position;

p == "relative" || p == "absolute" || (this._container.style.position = "relative");

this._container.style.overflow = "hidden";

this._slider.style.position = "absolute";

this.Change = this.options.Change ? this.options.Change :

this._slider[bVertical ? "offsetHeight" : "offsetWidth"] / this._count;

};

SlideTrans.prototype = {

//設(shè)置默認(rèn)屬性

SetOptions: function(options) {

this.options = {//默認(rèn)值

Vertical: true,//是否垂直方向（方向不能改）

Auto: true,//是否自動

Change: 0,//改變量

Duration: 50,//滑動持續(xù)時間

Time: 10,//滑動延時

Pause: 2000,//停頓時間(Auto為true時有效)

onStart: function(){},//開始轉(zhuǎn)換時執(zhí)行

onFinish: function(){},//完成轉(zhuǎn)換時執(zhí)行

Tween: Tween.Quart.easeOut//tween算子

};

Extend(this.options, options || {});

},

//開始切換

Run: function(index) {

//修正index

index == undefined (index = this.Index);

index 0 (index = this._count - 1) || index = this._count (index = 0);

//設(shè)置參數(shù)

this._target = -Math.abs(this.Change) * (this.Index = index);

this._t = 0;

this._b = parseInt(CurrentStyle(this._slider)[this.options.Vertical ? "top" : "left"]);

this._c = this._target - this._b;

this.onStart();

this.Move();

},

//移動

Move: function() {

clearTimeout(this._timer);

//未到達目標(biāo)繼續(xù)移動否則進行下一次滑動

if (this._c this._t this.Duration) {

this.MoveTo(Math.round(this.Tween(this._t++, this._b, this._c, this.Duration)));

this._timer = setTimeout(Bind(this, this.Move), this.Time);

}else{

this.MoveTo(this._target);

this.Auto (this._timer = setTimeout(Bind(this, this.Next), this.Pause));

}

},

//移動到

MoveTo: function(i) {

this._slider.style[this._css] = i + "px";

},

//下一個

Next: function() {

this.Run(++this.Index);

},

//上一個

Previous: function() {

this.Run(--this.Index);

},

//停止

Stop: function() {

clearTimeout(this._timer); this.MoveTo(this._target);

}

};

/script

/head

body

style type="text/css"

.container,.container img {

width: 280px;

height: 200px;

}

.container {

border: 1px solid #333;

}

.container img {

border: 0;

}

/style

div class="container" id="idContainer"

table id="idSlider" border="0" cellpadding="0" cellspacing="0"

tr

td

img src="image/11.jpg" /

/td

/tr

tr

td

img src="image/di.jpg" /

/td

/tr

tr

td

img src="image/head.gif" /

/td

/tr

/table

/div

br /

br /

style type="text/css"

.num {

position: absolute;

right: 5px;

bottom: 5px;

}

.num li {

float: left;

list-style: none;

color: #fff;

text-align: center;

line-height: 16px;

width: 16px;

height: 16px;

font-family: Arial;

font-size: 12px;

cursor: pointer;

margin: 1px;

border: 1px solid #707070;

background-color: #060a0b;

}

.num li.on {

line-height: 18px;

width: 18px;

height: 18px;

font-size: 14px;

border: 0;

background-color: #ce0609;

font-weight: bold;

}

/style

div class="container" id="idContainer2"

table id="idSlider2" border="0" cellpadding="0" cellspacing="0"

tr

td

img src="image/11.jpg" /

/td

td

img src="image/di.jpg" /

/td

td

img src="image/head.gif" /

/td

/tr

/table

ul class="num" id="idNum"

/ul

/div

br /

div

input id="idAuto" type="button" value="停止" /

input id="idPre" type="button" value="" /

input id="idNext" type="button" value="" /

select id="idTween"

option value="0"

默認(rèn)緩動

/option

option value="1"

方式1

/option

option value="2"

方式2

/option

/select

/div

script

new SlideTrans("idContainer", "idSlider", 3).Run();

///////////////////////////////////////////////////////////

var forEach = function(array, callback, thisObject){

if(array.forEach){

array.forEach(callback, thisObject);

}else{

for (var i = 0, len = array.length; i len; i++) { callback.call(thisObject, array[i], i, array); }

}

}

var st = new SlideTrans("idContainer2", "idSlider2", 3, { Vertical: false });

var nums = [];

//插入數(shù)字

for(var i = 0, n = st._count - 1; i = n;){

(nums[i] = $("idNum").appendChild(document.createElement("li"))).innerHTML = ++i;

}

forEach(nums, function(o, i){

o.onmouseover = function(){ o.className = "on"; st.Auto = false; st.Run(i); }

o.onmouseout = function(){ o.className = ""; st.Auto = true; st.Run(); }

})

//設(shè)置按鈕樣式

st.onStart = function(){

forEach(nums, function(o, i){ o.className = st.Index == i ? "on" : ""; })

}

$("idAuto").onclick = function(){

if(st.Auto){

st.Auto = false; st.Stop(); this.value = "自動";

}else{

st.Auto = true; st.Run(); this.value = "停止";

}

}

$("idNext").onclick = function(){ st.Next(); }

$("idPre").onclick = function(){ st.Previous(); }

$("idTween").onchange = function(){

switch (parseInt(this.value)){

case 2 :

st.Tween = Tween.Bounce.easeOut; break;

case 1 :

st.Tween = Tween.Back.easeOut; break;

default :

st.Tween = Tween.Quart.easeOut;

}

}

st.Run();

/script

/body/html

利用js動態(tài)生成一個簡單的商品詳情頁

使用jquery： var $div=$('');var content="動態(tài)創(chuàng)建的內(nèi)容";$div.html(content); //會替換所有子元素或文本節(jié)點使用javascript：var div = document.createElement('div');var content = document.createTextNode("動態(tài)創(chuàng)建的內(nèi)容");div.appendChild(content);

當(dāng)前名稱：javascript商品,javascript購物網(wǎng)站
轉(zhuǎn)載源于：http://muchs.cn/article48/phjchp.html

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