The shopping cart effect implemented by JavaScript can be used in many places

The shopping cart effect implemented by JavaScript can be used in many places_javascript skills

WBOY

Release： 2016-05-16 16:49:01

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The shopping cart effect implemented by JavaScript can of course be used in many places, such as friend selection, human resources module, salary calculation, personnel selection, etc. Below is a rendering of something similar to a shopping cart:

code:

goodsCar.js: This js is written as a separate file. Mainly controls the list display above.

Copy code The code is as follows:

 
window.onload=function(){ 
initStore (); 
}; 
var goods=["ham","beauty","royal sister","day trip to Mars","sports car"]; 
//===== ============= Think clearly about why you need to define a temporary storage area ============= 
var temps=[];//Temporary storage 
//Initialize warehouse select and add content
function initStore(){ 
var select_store=document.getElementById("select_store"); 
for(var x=0;x{ 
//Create option object
var optionNode=document.createElement("option"); 
optionNode.innerHTML=goods[x]; 
select_store.appendChild(optionNode); 
} 
} 
//--------------------------------------------- 
function selectGoods(){ 
//Get the select list object of the store
var out_store=document.getElementById("select_store"); 
//Get the select list object of my goods
var in_store=document.getElementById("select_my"); 
moveGoods(in_store,out_store); 
} 
function deleteGoods(){ 
//1. Record the products to be moved 
var in_store=document.getElementById("select_store"); 
var out_store=document.getElementById("select_my"); 
moveGoods(in_store,out_store); 
} 
/* 
* Move Goods: 
1.inSotre: Move goods into the warehouse 
2.outStore: Move goods out of the warehouse 
*/ 
//Move
function moveGoods(inStore,outStore){ 
/ /================Clear the array cache================== 
temps=[]; 
// Loop to get all list items in the store 
for(var x=0;x{ 
var option=outStore.options[x]; 
// Add the selected list items to the temporary array for storage
if(option.selected){ 
temps.push(option);//Add data to the temporary array. In order to avoid duplication, the array cache must be cleared
} 
} 
//2. Delete the selected item in the store list
//3. Add the selected product to the shopping cart
for(var x=0;x< temps.length; Add 
inStore.appendChild(temps[x]); 
} 
} 

 
The following is the main file; 

Copy code

The code is as follows:

Insert title here

The shopping cart effect implemented by JavaScript can be used in many places_javascript skills

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