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20220330_Vote/Ewide.Web.Entry/wwwroot/lib/xe-utils/range.js

@@ -0,0 +1,28 @@
+/**
+  * 序号列表生成函数
+  *
+  * @param {Number} start 起始值
+  * @param {Number} stop 结束值
+  * @param {Number} step 自增值
+  * @return {Array}
+  */
+function range (start, stop, step) {
+  var index, len
+  var result = []
+  var args = arguments
+  if (args.length < 2) {
+    stop = args[0]
+    start = 0
+  }
+  index = start >> 0
+  len = stop >> 0
+  if (index < stop) {
+    step = step >> 0 || 1
+    for (; index < len; index += step) {
+      result.push(index)
+    }
+  }
+  return result
+}
+
+module.exports = range