Dwr callback “data” object length
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25-09-2019 - |
Question
I'm using dwr to handle ajax calls to a java backend, I'm returning a Map in java, and I need to know its size in javascript when it returns in a callback function. Is there a way to do that?
Solution
You basically need to know how to determine the size of a javascript associative array, because this is what dwr returns in this case. This is explained, of course, on Stack Overflow: Length of a JavaScript object
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