Learn how to create a pop-up alert message in JavaScript using the alert() method.
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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)
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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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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?
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What is the purpose of using the let keyword in JavaScript?
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What character defines or gives access to jQuery?
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