14 lines
545 B
Markdown
14 lines
545 B
Markdown
### First-one-to-pass-truth-test
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A function that looks through an array (first argument) and returns the first element in the array that passes a truth test (second argument).
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```
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findElement = (arr, func) => {
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filterArr = arr.filter(func); //filter array with the function provided
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return filterArr[0]; //return the first element that returns true, or undefined if no elements return true
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}
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// test here
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findElement([1, 2, 3, 4], function(num){ return num !== 2 && num !== 1 }); //3 <- first element in array to be passed truth test
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```
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