add extend

print-all-chinese-characters.js

@@ -0,0 +1,33 @@
+/**
+ * javascript 输出所有汉字
+ * refer: https://zhidao.baidu.com/question/1641830754970388060.html
+ */
+
+/*
+    汉字范围
+    \u4E00-\u9FA5
+*/
+// 分析
+// unescape("%u4E00") // "一"
+// parseInt("4E00", 16) // 19968
+// parseInt('9FA5', 16) // 40869
+//     (19968).toString(16) // "4e00"
+// 实现
+function printChar() {
+    let a = []
+    var start = 19968;
+    var end = 40869;
+    var maxCount = end - start;
+    function transform(n) {
+        return unescape("%u" + n.toString(16));
+    }
+    function print(data) {
+        // console.log(data);
+        a.push(data)
+    }
+    for (var n = 0; n < maxCount; n++) {
+        print(transform(start + n));
+    }
+    console.log(a.join(''))
+}
+printChar();