function searchStringInArray (str, strArray) { for (var j=0; j<strArray.length; j++) { if (strArray[j].match(str)) return j; } return -1; } 编辑-将 str 作为函数的参数。 原文由 Aleadam 发布,翻译遵循 CC BY-SA 3.0 许可协议 有...
5 for (var i=0;i<length;i++){ 6 doucument.write(row[i]+''); 7 } 4、for...in语句 在js中,数组不是数据类型,数组的数据类型其实就是对象 Js中的For...in语句可以实现对一个对象的所有属性的遍历 也可以使用for...in语句实现对一个数组的所有元素的遍历 语法: for( var i in array ){ }...
constarray=[3,8,12,6,10,2];// Find 10 in the given array.functioncheckForN(arr,n){for(leti=0;i<array.length;i++){if(n===array[i]){return`${true}${n}exists at index${i}`;}}return`${false}${n}does not exist in the given array.`;}checkForN(array,10); 这就是线性搜索...
array.forEach(callback,[ thisObject])例子更能说明一切:var database = { users: [“张含韵”, “江一燕”, “李小璐”], sendEmail: function (user) { if (this.isValidUser(user)) { console.log(“你好,” + user); } else { console.log(“抱歉,”+ user +”,你不是本家人”); } }, i...
JavaScript 中 Array 数组方法总结 JavaScript 中 String 字符串方法总结 JavaScript 中 Array 数组方法总结 JavaScript 中 Object 对象方法总结 方法 是否修改原始值 是否有返回值 描述 join() 否是 把数组的所有元素放入一
JavaScript String match() Thematch()method returns an array containing the results of matching a string against a string (or a regular expression). Examples Perform a search for "ain": lettext ="The rain in SPAIN stays mainly in the plain"; ...
layerIds String[] Array of IDs corresponding to layers in the map, except for GraphicsLayers and FeatureLayers, which are maintained in map.graphicsLayerIds. loaded Boolean After the first layer is loaded, the value is set to true. navigationMode String Indicates whether the map uses CSS3 tra...
JavaScript - Search from Array of Objects: Here, we will learn how to implement search in Array of objects using find() Method and findIndex() Method.
String search() and String match() Thesearch()method returns the position of the first match. Thematch()method returns an array of matches. Regular Expression Search Methods In JavaScript, a regular expression text search, can be done with different methods. ...
ArcGIS Maps SDK for JavaScript 4.27 Icon which represents the widget. It is typically used when the widget is controlled by another one (e.g. in the Expand widget). Default Value:"basemap" See also Calcite Icon Search id Inherited Property id String Inherited from Widget The unique ...