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switch (true) {
case bid < 100000:
currentIncrease = 1000;
break;
case type != 1 && bid - 1000 < 100000:
currentIncrease = 1000;
break;
case type != 1 && bid - 2000 < 1000000:
currentIncrease = 2000;
break;
case bid < 1000000:
currentIncrease = 2000;
break;
default:
currentIncrease = 10000;
}
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switch(expression) {
case x:
// code block
break;
case y:
// code block
break;
default:
// code block
}
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var color = "red";
switch (color) {
case "blue":
console.log("color is blue");
break;
case "white":
console.log("color is white");
break;
case "black":
console.log("color is black");
break;
case "red":
console.log("color is red");
break;
default:
console.log("color doesn't match ")
}
//Output: color is red;
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switch (new Date().getDay()) {
case 0:
day = "Sunday";
break;
case 1:
day = "Monday";
break;
case 2:
day = "Tuesday";
break;
case 3:
day = "Wednesday";
break;
case 4:
day = "Thursday";
break;
case 5:
day = "Friday";
break;
case 6:
day = "Saturday";
}
console.log(day);
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switch(expression) {
case x:
// code of block to be executed when this case matches
break; // if you decide to run a return statement in a specific case, then don't write break
case y:
// code of block to be executed when this case matches
return "xyz"
// In this case no "break" will be written as we have written a return statement
default: "xyz" // If no case matches then the code written in the block of "default" will be executed
}
// For example
let x = 5;
switch(x) {
case 1:
console.log(`x value is ${x}`)
case 2:
console.log(`x value is ${x}`)
case 3:
console.log(`x value is ${x}`)
case 4:
console.log(`x value is ${x}`)
case 5:
console.log(`x value is ${x}`)
}
// Output "x value is 5"
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switch (new Date().getDay()) { // input is current day
case 6: // if (day == 6)
text = "Saturday";
break;
case 0: // if (day == 0)
text = "Sunday";
break;
default: // else...
text = "Whatever";
}
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switch(variable/expression) {
case value1:
// body of case 1
break;
case value2:
// body of case 2
break;
case valueN:
// body of case N
break;
default:
// body of default
}
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const randomNumber = Math.floor(Math.random() * 100);
console.log(randomNumber);
if (randomNumber < 20) {
console.log('randomNumber меньше 20');
} else if (randomNumber > 50) {
console.log('randomNumber больше 50');
} else {
console.log('randomNumber больше 20, и меньше 50')
}
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function alert_msg(){
var Name = document.getElementById('name').value
if (Name == ''){
alert("Must input name");}
else if (isNaN(Name)){
alert("Thank you " + Name + " for contacting us!");
}
else
alert("Name cannot be a number!");
}
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let x = "Java";
let y = "Script";
let z = x + y;//"Java" + "Script"
console.log(z);