Array.prototype.key = function (key) { return this.map(el => el[key]); }; Array.prototype.sum = function (key) { return this.reduce((total, el) => total + (key ? el[key] : el), 0); }; Array.prototype.distinct = function () { return [...new Set(this)]; }; 示例 let...
function groupBy(array, f) { debugger; const groups = {}; array.forEach(function (o) { const group = JSON.stringify(f(o)); groups[group] = groups[group] || []; groups[group].push(o); }); return Object.keys(groups).map(function (group) { return groups[group]; }); } 具体实...
function groupBy(array, f) { let groups = []; let indexList = []; //给每一个项增加一个组名 let dataList = array.map(item =>{ item.groupName = f(item); return item; }); //排除重名 indexList = Array.from(new Set(dataList.map(item => item.groupName))) ; //根据组名分组...
OH_AI_TensorHandleArray OH_NN_Memory OH_NN_QuantParam OH_NN_Tensor OH_NN_UInt32Array OH_AVCodecAsyncCallback OH_AVCodecBufferAttr OH_Huks_Blob OH_Huks_CertChain OH_Huks_KeyInfo OH_Huks_KeyMaterial25519 OH_Huks_KeyMaterialDh OH_Huks_KeyMaterialDsa OH_...
OH_AI_TensorHandleArray OH_NN_Memory OH_NN_QuantParam OH_NN_Tensor OH_NN_UInt32Array OH_AVCodecAsyncCallback OH_AVCodecBufferAttr OH_Huks_Blob OH_Huks_CertChain OH_Huks_KeyInfo OH_Huks_KeyMaterial25519 OH_Huks_KeyMaterialDh OH_Huks_KeyMaterialDsa OH_Huks_K...
OH_AI_TensorHandleArray OH_NN_Memory OH_NN_QuantParam OH_NN_Tensor OH_NN_UInt32Array OH_AVCodecAsyncCallback OH_AVCodecBufferAttr OH_Huks_Blob OH_Huks_CertChain OH_Huks_KeyInfo OH_Huks_KeyMaterial25519 OH_Huks_KeyMaterialDh OH_Huks_KeyMaterialDsa OH_Huks_KeyMat...
OH_AI_TensorHandleArray OH_NN_Memory OH_NN_QuantParam OH_NN_Tensor OH_NN_UInt32Array OH_AVCodecAsyncCallback OH_AVCodecBufferAttr OH_Huks_Blob OH_Huks_CertChain OH_Huks_KeyInfo OH_Huks_KeyMaterial25519 OH_Huks_KeyMaterialDh OH_Huks_KeyMaterialDsa OH_Huks_KeyM...
You can turn off this behavior by settingsortImportstofalse. When disabled, existing imports are not rearranged, and new imports are always added above existing imports. sortImports:false; stripFileExtensions An array that controls what file extensions are stripped out from the resulting import state...
🌱 allEqual 2.0.0 Arrays/Object This snippet checks whether all elements of the array are equal. 🌱 everyOrNone 1.0.0 Arrays/Object This snippet returns true if the predicate function returns true for a... 🌱 groupBy 1.0.0 Arrays/Object Sort the object by placing the value of the ...
(arr,'name'); // ['张三','王二'] 2.数组去重...1,1,1,2,3]; function array_unique(arr) { return [...new Set(arr)]; } array_unique(arr); //[1,2,3] 3.二维数组去重...return arr; }; array_unique_two_dimensional(matrix); // [[3,4,5,6], [1,2,3,4]]; 4.二维...