Learn how to use JavaScript to manipulate the HTML DOM and update the content of an HTML document
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Math functions in js
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Explain how == and === are different in JavaScript.
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how does return in JS work
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what is split() in javascript?
what Object.values() does in javascript?
What does .length mean in javascript
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What is a falsy value in js?
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How to use getElementById() in js
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const toggleInfo = (index, event) => { setVisibleLightIndexes((prev) => { if (prev.includes(index)) { return prev.filter((i) => i !== index); } else { return [...prev, index]; } }); const clickedElement = event.target.closest(".chauvetLights"); if (clickedElement) { clickedElement.classList.toggle("expanded"); } toggleBackgroundColor(event); }; TypeError: Cannot read properties of undefined (reading 'target') at k (home-OO3WpeNb.js:1:102576) at onClick (home-OO3WpeNb.js:1:104620) at Object.Em (index-h-qGlws7.js:38:9852) at km (index-h-qGlws7.js:38:10006) at Cm (index-h-qGlws7.js:38:10063) at Wa (index-h-qGlws7.js:38:31422) at fd (index-h-qGlws7.js:38:31839) at index-h-qGlws7.js:38:36751 at Vs (index-h-qGlws7.js:41:36768) at Df (index-h-qGlws7.js:38:8988)
what does !== mean in javascript?
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Write a for loop that prints every third number from 0 up to and including 99 using console.log
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What is variable hoisting in javascript?
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Add a value attribute to both radio buttons. For convenience, set the button's value attribute to the same value as its id attribute.
Explain the difference between == and === in JavaScript
What does && mean in JavaScript
What is the .toLowerCase() function used for in JavaScript?
What is a variable in JavaScript?
what does an async function do?
how to use querySelectorAll ?
can you explain arrow functions?
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explain .reduce() method in js
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What is the difference between undefined and null in JavaScript?
what is a console.log?
Can you explain JS functions return to me?
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How do I declare an array in JavaScript?
what is .join method in javascript
What is the purpose of using the let keyword in JavaScript?
what is the difference between let and const
What is a recursive function?
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