Common JavaScript Mistakes In regular comparison, data type does not matter. This if statement returns true: let x = 10; let y = "10"; document.getElementById("demo").innerHTML = Boolean(x == y); ...
How to write an IF statement for executing some code if "i" is NOT equal to 5? if (i !=5) How does a WHILE loop start? while (i <= 10) With JavaScript, the first control statement in a for loop usually does what? creates a control variable ...
<!DOCTYPE html> JavaScript Statements The continue Statement Loop through a block of code, but skip the value 3: let text = ""; for (let i = 0; i < 5; i++) { if (i === 3) continue; text += i + ""; } document.getElementById("demo").innerHTML...
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JavaScript Statements The break Statement When i equals 12 in Loop2, the break statement "jumps out" of Loop1. let text = ""; // The first for loop is labeled Loop1: Loop1: for (let i = 0; i < 3; i++) { text += i + ""; // The second fo...
Common JavaScript Mistakes This if statement returns false (maybe not as expected), because 0 is false: let x = 0; document.getElementById("demo").innerHTML = Boolean(x = 0);
JavaScript Statements The break Statement The loop is supposed to output the numbers 0 to 4, but the break statement exits the loop when i is equal to 3: let text = ""; let i = 0; while (i < 5) { text += i + ""; i++; if (i === 3) break;...
<!DOCTYPE html> JavaScript Statements In HTML, JavaScript statements are executed by the browser. document.getElementById("demo").innerHTML = "Hello Dolly.";
<!DOCTYPE html> Common JavaScript Mistakes You must use a "backslash" if you must break a statement in a string: document.getElementById("demo").innerHTML = "Hello \ World!";