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2018.06.29 / 21:37

HTML5 WebStorage - À¥ÀúÀå¼Ò ¶õ?

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* HTML5 WebStorage


Ŭ¶óÀ̾ðÆ®Ãø¿¡ µ¥ÀÌÅ͸¦ ÀúÀåÇÒ ¼ö ÀÖ´Â ±â´ÉÀÌ´Ù.

Å°/°ª ½ÖÀ¸·Î µ¥ÀÌÅÍ°¡ ÀúÀåµÇ°í Å°¸¦ ±âÁØÀ¸·Î µ¥ÀÌÅ͸¦ Á¶È¸ÇÑ´Ù.


·ÎÄýºÅ丮Áö(Local Storage): ¿µ±¸ µ¥ÀÌÅ͸¦ ÀúÀåÇÏ´Â ¿ëµµ·Î »ç¿ë

window Àü¿ª°´Ã¼ÀÇ localStorage Ä÷º¼ÇÀ» ÀÌ¿ëÇؼ­ Á¢±ÙÇÒ ¼ö ÀÖ´Ù.


¼¼¼Ç½ºÅ丮Áö(Session Storage): ºê¶ó¿ìÀú ÄÁÅؽºÆ®¿¡¼­¸¸ À¯Áö.

window Àü¿ª°´Ã¼ÀÇ sessionStorage Ä÷º¼ÇÀ» ÀÌ¿ëÇؼ­ Á¢±ÙÇÒ ¼ö ÀÖ´Ù.


±âÁ¸ÀÇ ÄíÅ°¿Í ¸¹ÀÌ ºñ½ÁÇÏÁö¸¸ ´ÙÀ½°ú °°Àº Á¡ÀÌ °³¼±µÇ¾ú´Ù.


1. ³×Æ®¿öÅ© Æ®·¡ÇÈ °¨Á¶: À¥½ºÅ丮Áö´Â ÀúÀåµÈ µ¥ÀÌÅ͸¦ ¼­¹ö¿¡ Àü¼ÛµÇÁö ¾Ê´Â´Ù.

2. ´õ ¸¹Àº ÀúÀå ¿ë·®: ÄíÅ°´Â µ¥ÀÌÅÍÀÇ °³¼ö¿Í ¿ë·®¿¡ Á¦ÇÑ(ÇÑ»çÀÌÆ®´ç 20°³,4KB)À» µÎ°í ÀÖÁö¸¸, 

¹«Á¦ÇÑÀº ¾Æ´ÏÁö¸¸ ÈξÀ ´õ Å« ÀڷḦ ÀúÀåÇÒ ¼ö ÀÖµµ·Ï Á¦¾àÀÌ Àû´Ù.

3. ´õ ±ä µ¥ÀÌÅÍ º¸Á¸ ±â°£: ¸¸·á±â°£ÀÌ ¾øÀ¸¹Ç·Î Çѹø ÀúÀåÇÑ µ¥ÀÌÅÍ´Â ¿µ±¸ÀûÀ¸·Î º¸°üµÈ´Ù.

4. °´Ã¼ ÀúÀå: ÄíÅ°´Â ¹®ÀÚ¿­¸¸ ÀúÀå °¡´ÉÇÏÁö¸¸ À¥½ºÅ丮Áö´Â °´Ã¼¸¦ ÀúÀåÇÒ ¼ö ÀÖ´Ù.


<!DOCTYPE html> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> 
<title>HTML5-WebStorage</title> 
<script type="text/javascript">


//Local Storage¿¡ µ¥ÀÌÅÍ ÀúÀå 
function setLocalStorage(){
if(!!window['localStorage']){
var textBox = document.querySelector('#textBox1');
window.localStorage['key1'] = textBox.value;

}


//Local Storage Á¶È¸
function getLocalStorage(){
if(!!window['localStorage']){
var textBox = document.querySelector('#textBox2');
textBox.value = window.localStorage['key1'];
}

//Session Storage¿¡ µ¥ÀÌÅÍ ÀúÀå

function setSessionStorage(){
if(!!window['sessionStorage']){
var textBox = document.querySelector('#textBox3');
window.sessionStorage['key1'] = textBox.value;
}

//Session Storage Á¶È¸
function getSessionStorage(){
if(!!window['sessionStorage']){
var textBox = document.querySelector('#textBox4');
textBox.value = window.sessionStorage['key1'];
}

</script> 
</head> 
<body> 
<input type="text" id="textBox1"> 
<button onclick="setLocalStorage()">Local Storage¿¡ µ¥ÀÌÅÍ ÀúÀå</button>
<br> 
<input type="text" id="textBox2"> 
<button onclick="getLocalStorage()">Local Storage Á¶È¸</button> 
<hr> 

<input type="text" id="textBox3"> 
<button onclick="setSessionStorage()">Session Storage¿¡ µ¥ÀÌÅÍ ÀúÀå</button>
<br> 
<input type="text" id="textBox4"> 
<button onclick="getSessionStorage()">Session Storage Á¶È¸</button> 
</body> 
</html>



Ãâó: http://cutewebi.tistory.com/712?category=100304 [cutewebi ÈñÁ¤³É¡Ú]