Community Learn Tools Library Leisure

English

Home > Web Front-end > JS Tutorial > Use js to implement button control text box plus 1 minus 1 to apply to hours and minutes_javascript skills

Use js to implement button control text box plus 1 minus 1 to apply to hours and minutes_javascript skills

WBOY

Release： 2016-05-16 17:10:01

Original

1126 people have browsed it

time.html代码：

复制代码代码如下:

Document

time.js代码：

复制代码代码如下:

 
function add_num(a,b,c){ 

if(cc  ; 
} 
else{ 
c=b; 
} 
if(c<=9&&c>=0){ 
c="0" c; 
} 
return c; 
} 
function sub_num(a,b,c){ 
if(c>a){ 
c--; 
} 
else{ 
c=b; 
} 
if(c<=9&&c>=0){ 
c="0" c; 
} 
return c; 
} 
function add_hour(){ 
var current_num=$("#hour").attr("value"); 
current_num=add_num(23,0,current_num); 
$("#hour").attr("value",current_num); 
} 
function sub_hour(){ 
var current_num=$("#hour").attr("value"); 
current_num=sub_num(0,23,current_num); 
$("#hour").attr("value",current_num); 
} 
function add_minute(){ 
var current_num=$("#minute").attr("value"); 
current_num=add_num(59,0,current_num); 
$("#minute").attr("value",current_num); 
} 
function sub_minute(){ 
var current_num=$("#minute").attr("value"); 
current_num=sub_num(0,59,current_num); 
$("#minute").attr("value",current_num); 
} 

Related labels：

button

source：php.cn

Previous article：JavaScript—window object usage example_basic knowledge Next article：Implementation code of javascript digital format output_javascript skills

Statement of this Website

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn