javascript-tutorial
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pull request opened
👾 add clarifying example
I think it's worth adding this example, because the first time it confused me a little
I also think it's worth writing it down better somehow. Because the introduction of a new array in the example, which besides stand out of the whole article, is not good decide
Maybe it would look better:
let arr = [1, 0, false, 1];
alert( arr.indexOf(0) ); // 1
alert( arr.indexOf(false) ); // 2
alert( arr.indexOf(null) ); // -1
// note that the lastIndexOf method looks for from the end, but index counted from the beginning
alert( arr.lastIndexOf(1)) // 3
alert( arr.includes(1) ); // true
Created at 4 hours ago
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pull request opened
👾 added specifying information to the symbol `Symbol.isConcatSpreadable`
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started
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