Get largest value in multi-dimensional array javascript or coffeescript

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You can use .reduce()…

array.reduce(function(max, arr) { 
    return Math.max(max, arr[0]); 
}, -Infinity)

Here’s a version that doesn’t use Math.max…

array.reduce(function(max, arr) {
    return max >= arr[0] ? max : arr[0];
}, -Infinity);

…and a jsPerf test.

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