calculator with commas

For example:12345 format to 12,345.0012345.6 format to 12,345.6012345.67 format to 12,345.67Leave only two decimal places.After returning, I wrote a Formatting Function. The number of decimal places can be controlled and automatically rounded. The Code is as follows:Copy codeThe Code is as follows:Function fmoney (s, n ){N = n> 0 n S = parseFloat (s + ""). replace (/[^ \ d \.-]/g, ""). toFixed (n) + "";Var l = s. split (".") [0]. split (""). reverse (), r = s. split (".") [1];T = "";For (I = 0;

the Array and increases the index of subsequent elements. elided array elements are not defined. if an element is elided at the end of an array, that element does not contribute to the length of the Array.Someone used this array feature to create the so-called "world's shortest IE judgment"Copy codeThe Code is as follows:Var ie =! -[1,];Alert (ie ); However, IE9 is terminated. Do not use this Bug to determine the browser.JSON In JSON format, comma is the delimiter between multiple attribute key

evaluate, if the statement is placed in parentheses, it will be an error, because the statement does not return a valueConsole.log (var a = 1);//syntaxerror:unexpected Token Varconsole.log ((var a = 1);//syntaxerror:unexpected token varvoid operatorVoid is a unary operator that appears before the operand, can be of any type, the operand is evaluated as usual, but ignores the result of the calculation and returns undefined. Because void ignores the value of the operand, void is used to make the

actually be reported. Now that the code has been written like this, how can this problem be detected! : File Search As shown in 1, you can use the File Search function of eclipse to Search using regular expressions. The regular expression is \ s *}. However, this is a problem. You can only retrieve the first error. If you add // or/**/to annotate it, it cannot be detected. However, you can also use js Code compression tools such as yuicompressor to compress the code. When compressing the Code

Li Wu:Heng Learn to think together, honouring teachers save Thanksgiving. Leaf See root three return to one, rivers the same oneness.Meekness Conscience Lord, willing to do without regrets to the most bitter. Reading exercises to keep the body and mind, sincere advice and the line and cherish. Ide:visual Studio 2017 Browser:chrome Os:win7 CodeDOCTYPE HTML>HTML>Head> MetaCharSet= "Utf-8" /> Metaname= "Author"content= "Https://www.cnblogs.com/jizuiku"/> title>title> s

(1) Replace one or more spaces in the text with commasThe text reads as follows:# Cat Text1 2 2 3 3 + 4 4 2 4(2) The Shell program code is:# Cat Text | Sed ' s/[' []*/,/g ' 1,2,42,2,3,43,3,44,4,,4,,2,4Script Description: sRepresents the replacement instruction; Each [ ] contains a space; *The number represents 0 or more; gRepresents the substitution of all matches for each line; The shell replaces one or more spaces with commas

Details determine success or failure, to participate in the work soon, so some norms have not developed, a lot of wrong bugsIn the low version of IE, such as Ie7,json can not appear extra comma, otherwise will be error, but in other browsers, the problem does not exist.such as"Name", "Iexx","Age": 19,}This will be an error, need to remove the comma after 19 ...IE8 Create an IMG node problem, which is also a compatibility bug, my creation code is var img=$ ("Under IE8, it will This resulted in re

scope of the higher function, so it can be replaced with void 0来 undefined var undefined = ten; Console.log (undefined)//ie8-browser under 10, the high version of the browser for undefined function t () { var undefined = ten; Console.log (undefined); } Console.log (t ());//all browsers are 10 "Action two" client URL This operator is most commonly used in client Url--javascript:url, where a side-effect expression can be written in the URL, while void lets the browser not displ

Use JS to replace all characters except numbers and commas Copy Code code as follows: Results: Copy Code code as follows: 345345,345345 Complete code: Copy Code code as follows: Fckinsertdown.add = function (strtemp,str) { if (Strtemp.indexof (",") >-1) { Strtemp=dostr (strtemp); var strs= new Array (); Define an array Strs=strtemp.split (","); Character segmentation for (i=0;iif (i=

more about your professional skills' fromOnline_person_info QwhereFind_in_set ('5', Q.otworkgoal) andT.id=q.id), (Select 'a more comfortable working environment' fromOnline_person_info QwhereFind_in_set ('6', Q.otworkgoal) andT.id=q.id), (Select 'reduced working pressure' fromOnline_person_info QwhereFind_in_set ('7', Q.otworkgoal) andT.id=q.id), (Select 'Closer to work distance' fromOnline_person_info QwhereFind_in_set ('8', Q.otworkgoal) andT.id=q.id), (Select 'other' fromOnline_person_i

CREATE TABLE AA(UserID int,UserName nvarchar (50),CityName nvarchar (50));INSERT into AA (Userid,username,cityname) VALUES (1, ' A ', ' Shanghai ')INSERT into AA (Userid,username,cityname) VALUES (2, ' B ', ' Beijing ')INSERT into AA (Userid,username,cityname) VALUES (3, ' C ', ' Shanghai ')INSERT into AA (Userid,username,cityname) VALUES (4, ' d ', ' Beijing ')INSERT into AA (Userid,username,cityname) VALUES (5, ' e ', ' Shanghai ')SELECT * FROM AASelect Cityname,stuff ((select ', ' + UserName

Tags: sqlsever share ASE Technology share BSP Data type ARC Blog SQL1 Code 1 Select* fromsysdatabases2 3--Specify the database to add columns to, HelloWorld4 Use HelloWorld5 6--Create the name of the table table7 CREATE TABLE Teacherclass8 ( 9--column name data type cannot be NULL master key set Identity attribute (seed, growth Value) column separated by commasTenIdintNotNULLPrimary Key Identity (1,1) , One A--Column name data type (with Chinese characters, indeterminate

Tags: field BSP rom online play games comma str database nbsp mysqThere are two tables,A sheet for hobby table BA table for user table UU tableID Name Hobby ID1 sheets of three 1,2,3,42 Lee 42, 5b tableID Name1 Play Table Tennis2 Dozen Badminton3 Dozen Blue Balls4 playing games on the Internet5 Playing CardsNormal Query U tableselect * FROM UNow the demand is:ID Name Hobby1 three dozen table tennis, playing badminton, playing basketball, surfing the internet2 John Doe playing badminton, playing

Label: Comma separated ', 'SelectListagg (SUBSTR (To_char (Freestarttime,'YYYY-MM-DD HH24:MI:SS'), One,9) ||'~'||Trim (SUBSTR (To_char (Freeendtime,'YYYY-MM-DD HH24:MI:SS'), One,9)),',') withinGROUP(ORDER byTPF. Freeid) asFreetimespan fromTra_pricingberth TPB Left JOINTra_pricingfree TPF onTPB. Pricingstrategyid=TPF. PricingstrategyidWHERETPB. Berthcode='108211' andTPF. Freedatetype='1' SELECTListagg (sbpt. Parkstime||'~'||Sbpt. Parketime),',') withinGROUP(ORDER by

How to use jsp to implement a simple calculator (3) and jsp to implement a calculator This jsp page is mainly used to implementThe ability to submit and accept data on the same page. This small program has many shortcomings. I hope you can criticize and correct it more. The implementation result is as follows: Compile a JSP page to implement a simple calculator