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-1 in javascript

MattDESTROYER answered on July 16, 2021 Popularity 9/10 Helpfulness 1/10

answer -1 in javascript

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-1 in javascript

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// in JavaScript negative numbers are written the same as regular numbers
var negativeone = -1;
console.log(negativeone); // -> -1
// the subtraction symbol means the computer subtracts the number on
// the left from the number on the right, if there is no number on
// the right it is the same as 0
// or in other words -1 = 0 - 1
console.log(-1 === 0 - 1);  // -> true
// you can also do the same with variables
console.log(-negativeone); // -> 1

Popularity 9/10 Helpfulness 1/10 Language javascript

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Tags: javascript

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Contributed on Jul 16 2021

MattDESTROYER

0 Answers Avg Quality 2/10

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let c = 0;

console.log(c + 1); // outputs 1

console.log(c); outputs 0, since in the last statement you didn't changed the original value, just used it.

console.log(c++); // will output c then increment c. So it prints the old value: 0

console log(c); will output 1 (result of previous increment)

console.log(++c); // will increment c and then output it new value: 2

Popularity 8/10 Helpfulness 1/10 Language javascript

Source: nullorempty.org

Tags: javascript j

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Contributed on Feb 18 2022

Puzzled Peacock

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-1 in javascript

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!0 = true
!1 = false

Popularity 8/10 Helpfulness 1/10 Language javascript

Source: nullorempty.org

Tags: javascript j

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Contributed on Mar 13 2022

Wrong Wryneck

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-1 in javascript

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