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feat: add unary operators

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Lines changed: 17 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -83,4 +83,20 @@ console.log(10 < 6 \|\| 15 < 9 \|\| 18 > 9);`
`83`	`83`	`console.log(!(10 > 6));`
`84`	`84`
`85`	`85`
`86`		`-`
	`86`	`+// Question: Unary operators ( ++ -- )`
	`87`	`+let i = 11;`
	`88`	`+i = i++ + ++i;`
	`89`	`+console.log(i);`
	`90`	`+`
	`91`	`+let num9 = 11, num10 = 22;`
	`92`	`+let num11 = num9 + num10 + num9++ + num10++ + ++num9 + ++num10;`
	`93`	`+console.log("num9=" + num9); // 13`
	`94`	`+console.log("num10=" + num10); // 24`
	`95`	`+console.log("num11=" + num11); // 103`
	`96`	`+`
	`97`	`+let num12 = true; // js consider true as 1 and false as 0`
	`98`	`+num12++;`
	`99`	`+console.log(num12);`
	`100`	`+`
	`101`	`+// let num13 = 11++; // you cannot use this way directly on constant`
	`102`	`+// console.log(num13);`

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