js function
function name(parameter1, parameter2, parameter3) {
// what the function does
}
function myFunction(var1, var2) {
return var1 * var2;
}
3
How to create a function in javascriptJavascript By TechWhizKid on Apr 5 2020
function addfunc(a, b) {
return a + b;
// standard long function
}
addfunc = (a, b) => { return a + b; }
// cleaner faster way creating functions!/* Declare function */
function myFunc(param) {
// Statements
}function myfunction() {
console.log("function");
};
myfunction() //Should say "function" in the console.
function calculate(x, y, op) {
var answer;
if ( op = "add" ) {
answer = x + y;
};
else if ( op = "sub" ) {
answer = x - y;
};
else if ( op = "multi" ) {
answer = x * y;
};
else if ( op = "divide" ) {
answer = x / y;
};
else {
answer = "Error";
};
return answer;
};
console.log(calculate(15, 3, "divide")); //Should say 5 in console.
//I hope I helped!var x = 10;
function créerFonction1() {
var x = 20;
return new Function("return x;"); // ici |x| fait référence au |x| global
}
function créerFonction2() {
var x = 20;
function f() {
return x; // ici |x| fait référence au |x| local juste avant
}
return f;
}
var f1 = créerFonction1();
console.log(f1()); // 10
var f2 = créerFonction2();
console.log(f2()); // 20function MyFunction() {
/* Function Here */
}