showing results for - "logical operators in javascript"
Montserrat
23 Jul 2018
1if(a <= 5){
2   yourFunction();
3}
Jeremiah
07 Feb 2016
1const num = 6;
2if (num <= 4 || num <= 8) {
3    console.log('true')
4} else {
5    console.log('false')
6}
7//Expected output:true
Camilla
14 Oct 2019
1//&& returns true if both values are true
2//or returns the second argument if the first is true
3var a = true
4var b = ""
5var c = 1
6
7true && "" //""
8"" && 1 //""
9false && 5 //false
Itzel
29 Apr 2019
1// There are 3 Javascript Logical Operators
2// || (OR)
3// && (AND)
4// ! (NOT)
5
6if (a || b) {
7	console.log("I will run if either a or b are true");
8}
9
10if (a && b) {
11	console.log("I will run, if and only if a and b are both true");
12}
13
14if (!a) {
15	console.log("I will only run if a is false");
16}
17
18if (a) {
19	console.log("I will only run if a is true");
20}
Luka
27 Aug 2020
1const num = 6;
2if (num <= 7 && num <= 8) {
3    console.log('true')
4} else {
5    console.log('false')
6}
7//Expected output:true
Bianca
08 Jun 2020
1n1 = !true               // !t returns false (the opposite of true)
2n2 = !false              // !f returns true (the opposite of false)
3n3 = !''                 // !f returns true (in JavaScript, an empty string is falsey, thus the opposite of a falsey value here is truthy.)
4n4 = !'Cat'              // !t returns false (non empty string is truthy, thus opposite is falsy)
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