Home Explore Help
Sign In
lovecoding
/
W260426
10
0
Fork 0
Files Issues 0 Pull Requests 0 Wiki
Browse Source

admin

fengchuanyu 14 hours ago
parent
157fbe8c63
commit
234d1e6fb9
5 changed files with 83 additions and 0 deletions
Split View Show Diff Stats
  1. 25 0
      3_JavaScript/练习题22_字符串中提取数字.html
  2. 25 0
      3_JavaScript/练习题23_字符串交叉合并.html
  3. 11 0
      3_JavaScript/练习题24_成绩统计.html
  4. 11 0
      3_JavaScript/练习题25_斐波那契数列.html
  5. 11 0
      3_JavaScript/练习题26_返回本年度的第几天.html

+ 25 - 0
3_JavaScript/练习题22_字符串中提取数字.html
View File 

@@ -0,0 +1,25 @@
 
+<!DOCTYPE html>
 
+<html lang="en">
 
+<head>
 
+    <meta charset="UTF-8">
 
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
+    <title>Document</title>
 
+</head>
 
+<body>
 
+    <script>
 
+        function CollectDigits(str){
 
+            var res = "";
 
+            for(var i = 0;i<str.length;i++){
 
+                // str.charAt(i)
 
+                // str[i]
 
+                if(str[i]>="0" && str[i]<="9"){
 
+                    res += str[i];
 
+                }
 
+            }
 
+            return res;
 
+        }
 
+
 
+        console.log(CollectDigits("1abc23def4"));
 
+    </script>
 
+</body>
 
+</html>

+ 25 - 0
3_JavaScript/练习题23_字符串交叉合并.html
View File 

@@ -0,0 +1,25 @@
 
+<!DOCTYPE html>
 
+<html lang="en">
 
+<head>
 
+    <meta charset="UTF-8">
 
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
+    <title>Document</title>
 
+</head>
 
+<body>
 
+    <script>
 
+        function Merge(str1,str2){
 
+            var res = "";
 
+            var minLen = Math.min(str1.length,str2.length);
 
+            var maxArr = str1.length>str2.length?str1:str2;
 
+            for(var i =0;i<minLen;i++){
 
+                res += str1[i] + str2[i];
 
+            }
 
+            res += maxArr.substr(minLen);
 
+            return res;
 
+        }
 
+        var a = "1234567890123";
 
+        var b = "abcdefghi";
 
+        console.log(Merge(a,b));
 
+    </script>
 
+</body>
 
+</html>

+ 11 - 0
3_JavaScript/练习题24_成绩统计.html
View File 

@@ -0,0 +1,11 @@
 
+<!DOCTYPE html>
 
+<html lang="en">
 
+<head>
 
+    <meta charset="UTF-8">
 
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
+    <title>Document</title>
 
+</head>
 
+<body>
 
+    
+</body>
 
+</html>

+ 11 - 0
3_JavaScript/练习题25_斐波那契数列.html
View File 

@@ -0,0 +1,11 @@
 
+<!DOCTYPE html>
 
+<html lang="en">
 
+<head>
 
+    <meta charset="UTF-8">
 
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
+    <title>Document</title>
 
+</head>
 
+<body>
 
+    
+</body>
 
+</html>

+ 11 - 0
3_JavaScript/练习题26_返回本年度的第几天.html
View File 

@@ -0,0 +1,11 @@
 
+<!DOCTYPE html>
 
+<html lang="en">
 
+<head>
 
+    <meta charset="UTF-8">
 
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
+    <title>Document</title>
 
+</head>
 
+<body>
 
+    
+</body>
 
+</html>