functionmyReducer(accumulator,arrayElement){// Code to do something goes here} accumulator是一个叠加值。它包含上次调用reducer函数时返回的所有内容。如果reducer函数还没有被调用,那么它包含初始值。因此,当我们传递add()作为reducer时,累加器映射到a+b的a部分,而a恰好包含前面所有项目的运行总数。对于multiply(...
lastIndexOf()方法：从数组的末尾开始向前查找 没有该方法， js的一维数组就是动态的但是有push和unshift方法,没有remove,但有pop和shift方法，如果不行，还有splice方法let set2 = new Set();set2.add(1);console.log(set2); //Set(1) {1}array 没有 set 有var array = new Array();arr...
options.customAttribution((string | Array<string>))(default null) String or strings to show in an AttributionControl . Only applicable if options.attributionControl is true . options.doubleClickZoom(boolean)(default true) If true , the "double click to zoom" interaction is enabled (see DoubleCli...
The second parameter is the attribute, to which the value from the input field will be saved. Those two parameters are set from JSX using the bind keyword. @addChangeHandler class LoginInput extends React.Component { constructor(props) { super(props); this.state = { login: {} }; } ...
See StackOverflow post explaining the issue.Setting an array formula like this is not working:let sheet = context.workbook.worksheets.getActiveWorksheet();...
'#' is required, @zurmokeeper/exceljs is to distinguish internal hyperlink by '#', the default will be considered non-internal hyperlink, older versions also need to manually add '#' , how not to add if // internal hyperlink ws1.getCell('A1').value = { text: 'Sheet2', hyperlink:...
chore: Add prettier. 4年前 LICENSE Create LICENSE 4年前 README.md doc: add README.md 3年前 lerna.json released v3.19.5 2年前 package.json chore(deps): update dependency lerna to v6 (#442) 2年前 renovate.json chore: updaterenovate.json. ...
An array of items to be displayed in the grid. The option should be used to provide static data. Use the controller option to provide non static data.autoload (default false)A boolean value specifying whether controller.loadData will be called when grid is rendered....
This is turned off by default for performance reasons, but is safe to enable. Note that in the default configuration, without setting runScripts, the values of window.Array, window.eval, etc. will be the same as those provided by the outer Node.js environment. That is, window.eval ===...
minify({ "file2.js": "console.log(add(1 + 2, 3 + 4));" }, options); console.log(result1.code); // function n(n,r){return n+r} console.log(result2.code); // console.log(n(3,7)); You may persist the name cache to the file system in the following way: var cacheFile...