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| 1 | + |
| 2 | + |
| 3 | +let a=NaN |
| 4 | +let b=NaN |
| 5 | +console.log(a==b)// false |
| 6 | +console.log(a===b)//false |
| 7 | + |
| 8 | +console.log(false === 0);//false |
| 9 | +console.log(true === 0);//false |
| 10 | +console.log(true == 0);//false |
| 11 | +console.log(false == 0);//true |
| 12 | +console.log(0 == false);//true |
| 13 | +console.log(0 === false);//false |
| 14 | +console.log(typeof 0) //number |
| 15 | +console.log(typeof false)//boolean |
| 16 | + |
| 17 | +console.log(0 == true);//false |
| 18 | +console.log(0 === true);//false |
| 19 | + |
| 20 | + |
| 21 | +console.log(1 == true);//true |
| 22 | +console.log(1 === true);//false |
| 23 | + |
| 24 | +console.log(1 == false);//false |
| 25 | +console.log(1 === false);//false |
| 26 | + |
| 27 | +console.log(2 == true);//false |
| 28 | +console.log(3 === true);//false |
| 29 | + |
| 30 | +console.log(1 == "1") // true |
| 31 | +console.log(1 === "1") // false |
| 32 | + |
| 33 | +console.log(1 == 1) // true |
| 34 | +console.log(1 === 1) // true |
| 35 | + |
| 36 | +console.log(typeof NaN ==="number")//true |
| 37 | + |
| 38 | +console.log(typeof NaN =="number")//true |
| 39 | + |
| 40 | + |
| 41 | +console.log(true==true)//true |
| 42 | + |
| 43 | +console.log(true===true)//true |
| 44 | + |
| 45 | + |
| 46 | + |
| 47 | +console.log(true==false)//false |
| 48 | + |
| 49 | +console.log(true===false)//false |
| 50 | + |
| 51 | + |
| 52 | + |
| 53 | +console.log(null == undefined);//true |
| 54 | +console.log(null === undefined);//false |
| 55 | + |
| 56 | +console.log([] == false);//true |
| 57 | +console.log([] === false); //false |
| 58 | + |
| 59 | +console.log( [] ==true)//false |
| 60 | + |
| 61 | +console.log( [] === true)//false |
| 62 | + |
| 63 | + |
| 64 | + |
| 65 | + |
| 66 | +console.log("" == 0); //true |
| 67 | + |
| 68 | +console.log("" === 0);//false |
| 69 | + |
| 70 | +console.log("" == 1); //false |
| 71 | + |
| 72 | +console.log("" === 1); //false |
| 73 | + |
| 74 | + |
| 75 | + |
| 76 | + |
| 77 | + |
| 78 | + |
| 79 | + |
| 80 | + |
| 81 | + |
| 82 | + |
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