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This program converts nested arrays to flat array structure
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| // JSBIN link - http://jsbin.com/wedoqeyezi/edit?js,output (EDIT - http://jsbin.com/kuvepo/edit?js,console) | |
| // The below works because the first iteration find this elements and checks whether they are array or not if not then it simply | |
| // pushes the element to the flatArray else if they are array they are sent to recursive function for further processing till a | |
| // value(not array) is reached and then finally pushed to flatArray. | |
| var arr = [[1,2,[3]],4]; | |
| flatArray = []; | |
| for(var i=0;i<arr.length;i++){ | |
| if(arr[i].length === undefined){ | |
| flatArray.push(arr[i]); | |
| } | |
| else{ | |
| recursive(arr[i]); | |
| } | |
| } | |
| function recursive(arrRec){ | |
| for(var j=0;j<arrRec.length;j++){ | |
| if(arrRec[j].length === undefined){ | |
| flatArray.push(arrRec[j]); | |
| } | |
| else{ | |
| recursive(arrRec[j]); | |
| } | |
| } | |
| } | |
| console.log(arr); | |
| console.log(flatArray); |
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