Java Script MEMO

Code output

 Code output
\' single quote
\" double quote
\\ backslash
\n newline
\r carringe retrun
\t tab
\b backspace
\f form feed

array add or remove

add array : .push(); remove last array : .pop();
remove first array : .shift(); add first array : .unshift();

Accessing object properites with dot motation

dot notation / bracket notation

var testObj = {
  "case 1": "test1",
  "case 2": "test2",
  "case3": "test3"
};

var a1 = testObj["case 1"];
var a2 = testObj["case 2"];


console.log(a1);
console.log(a2);
//dot
console.log(testObj.case3);