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One can use the object and array declaration literals to quickly create arrays that are associative, multidimensional, or both. (Technically, JavaScript does not support multidimensional arrays, but one can mimic them with arrays-of-arrays.)
Note how the use of A[i][j] with multi-step indexing as in C, as opposed to a neutral notation like A(i,j) as in Fortran, almost inevitably implies row-major order for syntactic reasons, so to speak, because it can be rewritten as (A[i])[j], and the A[i] row part can even be assigned to an intermediate variable that is then indexed in a separate expression.
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In modern JavaScript it's considered bad form to use the Array type as an associative array. Consensus is that the Object type and Map / WeakMap classes are best for this purpose. The reasoning behind this is that if Array is extended via prototype and Object is kept pristine, for and for-in loops will work as expected on associative 'arrays'.
Perhaps one of Donald Trump's most remarkable accomplishments during his last term was how he reoriented the political landscape around trade. The decision facing voters is whether he will be able ...
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By default, clicking on an image will direct the viewer to the file page, which contains licensing and attribution information for the image. This is required for any non-public domain images. To change the link to the image, use |linkX=, where X is the image number. However, be careful to make sure that you only do this for public domain ...