Markus Prokott

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Markus Prokott

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isNaN()


+ line break

isNaN()


+1 section: useful applications of global isNaN() in contrast of Number.isNaN()

JavaScript


Direct link to 'operator precedence' to avoid 1 x scroll-to-end-of-doc and 2 x click-on-link to reach a distinct topic

JavaScript


Direct link to 'operator precedence' to avoid 1 x scroll-to-end-of-doc and 2 x click-on-link to reach a distinct topic

Node.insertBefore()


Replaces "element" by "node"; method operates on Node objects, not (only) on Element objects