function checkArrayContainsAnotherArray(arr1, arr2) { for (var i = 0; i < arr2.length; i++) { if (arr1.indexOf(arr2[i]) === -1) { return false; } } return true; } var array1 = [1, 2, 3, 4, 5]; var array2 = [2, 4, 5]; console.log(checkArrayContainsAnotherAr...
Array对象常用方法在数组末尾添加一个或多个元素 - push() 在数组末尾添加一个或多个元素,返回新长度,会修改原数组 var arr = [1, 2, 3, 4, 5] var len1...var arr3 = [1, 2, 3] var str = '123' console.log(Array.is...
alert(sum(10,10)); //20 var anotherSum = sum; alert(anotherSum(10,10)); //20 sum = null; alert(anotherSum(10,10)); //20 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 注意:因为函数名是指针,所以js中没有函数重载的概念,如果声明了两个同名函数,后面的函数将...
因此 arr.push 实际上是 window.Array.prototype.push arr.push(1) 等价与 arr.push.call(arr,1)ar...
vue-array - Array object operation under Vue, Array object operation under Vue Use this package to manipulate the array. Vue can monitor the changes in the array Laqu-l - A complete App starter kit with Quasar Framework, GraphQL API backend with OAUTH 2.0 authentication, Firebase ready, mult...
var player = videojs('some-video-id'); const parser = new M3u8Parser(); parser.push(manifestString); parser.end(); player.src({ src: `data:application/vnd.videojs.vhs+json,${JSON.stringify(parser.manifest)}`, type: 'application/vnd.videojs.vhs+json' }); The manifest object should...
{ type: 'Array', elementType: 'Northwind.Product', inverseProperty: 'Category' } } ); $data.Entity.extend( 'Northwind.Product', { ProductID: { key: true, type: 'id', nullable: false, computed: true }, ProductName: { type: 'string', nullable: false, required: true, maxLength: 40 ...
opts.layers Array<Layer> 地图图层数组,数组可以是图层 中的一个或多个,默认为普通二维地图。当叠加多个 图层 时,普通二维地图需通过实例化一个TileLayer类实现。如果你希望创建一个默认底图图层,使用 AMap.createDefaultLayer() opts.zooms [Number, Number] (default [2,20]) 地图显示的缩放级别范围, 默认为...
// `eventLoop` is an array that acts as a queue// (first-in, first-out)vareventLoop=[];varevent;// keep going "forever"while(true){// perform a "tick"if(eventLoop.length>0){// get the next event in the queueevent=eventLoop.shift();// now, execute the next eventtry{event()...
Added Array.prototype.push polyfill with some fixes for modern enginesAdded Array.prototype.unshift polyfill with some fixes for modern enginesFixed a bug in the order of getting flags in RegExp.prototype.flags in the actual version of V8