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/**
 * Javascript: Regex - examples
 * regex.test(input);
 */


// email
var regex_email = /^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
var regex_email_simple = /\S+@\S+\.\S+/;
var regex_email_complex = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;

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Memo for Javascript Tutorial - begginner

• https://www.tutorialspoint.com/javascript/index.htm
• https://www.w3schools.com/js

온라인 js 에디터

• console : https://jsconsole.com
• console+html : https://jsbin.com/?html,output

1. 변수: Variables, 데이타 타입: Data Types

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Ref: https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet

Headers: 헤더

---

# H1
## H2
### H3
#### H4
##### H5

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참조

---

• Git Cheat Sheet --[GitCheatSheet][] [GitCheatSheet]: https://services.github.com/on-demand/downloads/github-git-cheat-sheet.pdf

---

브랜치 덮어쓰기: How to completely replace one branch’s code and git history with another

---

>##### 작업순서

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vi command ref: https://vim.rtorr.com

Cursor Movement

cmd	desc
0	move to beginning of the current line
$	move to end of line
H	move to the top of the current window (high)
M	move to the middle of the current window (middle)

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<!-- 모달 -->
<div id="id-mymodal1" class="mymodal">
    <!-- Modal content -->
    <div class="mymodal-content">
        <span class="myclose">&times;</span>
        <p>Some text in the Modal..</p>
        <p>Some text in the Modal..</p>
    </div>
</div>
<script>

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/* call api */
async function callRestapi(url, formData, callback){
  let response = await fetch(url, {
    method: 'POST',
    body: formData
  });
  let result = await response.json();
  callback(result);
}

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-- explain
explain [sql]

-- update multiple rows using limit in MySQL you can use this construct
UPDATE table_name SET name='test'
WHERE id IN (
    SELECT id FROM (
        SELECT id FROM table_name 
        ORDER BY id ASC  
        LIMIT 0, 10

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var Base64 = {
    _keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
    encode: function(input) {
        var output = "";
        var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
        var i = 0;

        input = Base64._utf8_encode(input);

        while (i < input.length) {

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(function(a) {
	window.client_browser = {};
    client_browser.isMobile = /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(a) 
    || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|j