Угадай число с подсказками

function guessNumber(number, clue) {

// Prompt the user for a number using the string value of clue

guess = prompt(clue);

// Convert their guess to a number using +

guess = +guess;

while (guess!== number) {

if (guess < number) {

guess = prompt("Too low. Guess again.");

}

else if (guess > number) {

guess = prompt("Too high. Guess again.");

}

guess = +guess;

}

console.log("You got it! The number was " + number);

}

guessNumber(36,"Pick a number between 1 and 100");

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// This evaluates to 'true'. This is because the first operand

// is true, so it is immediately returned. The second operand

// is never evaluated.

true || false;

// This evaluates to 'true'. This is because the first operand

// is false, so the second operand is returned. In this case,

// the second operand must be evaluated.

false || true;

// This evaluates to false. Since the first operand is false,

// the second operand is not even evaluated.

false && true;

// This evaluates to false. Since the first operand is true,

// the second operand is evaluated. Since this is false, the

// statement evaluates to false.

true && false;

• indexOf() Searches for the first occurrence of a character or substring.
• lastIndexOf() Searches for the last occurrence of a character or substring.

function contains(str, substr) {

if (str.indexOf(substr) >=0) {

return true;

}

else{

return false;

}

Дата добавления: 2015-08-17