javascript-utility

Install

npm install --save-dev vim_utility

usage

import {s_random} from "vim_utility"
s_random(7);

doc

scss

px2rem

click to see code

// import px2rem.js in your bootstrap js
import {px2rem} from "vim_utility/utility"



// Dynamically change the html font-size when window's size changed
px2rem();

@import '~vim_utility/src/scss/px2rem.scss';
$designWidth : 750px; /*Design draft width*/

.example{
  height: px2rem(200px);
  border: solid 1px black;
    font-size: 12px ;
    [data-dpr="2"] &{
        font-size: 24px;
    }
    [data-dpr="3"] &{
        font-size: 36px;
    }
}
 

cookie

getCookie

// assuming there is (yourKey => yourValue) in the cookie
getCookie(yourKey); // return yourValue

removeCookie

removeCookie(yourKey);

setCookie

setCookie(key, value, days);

dom

addClass

addClass(ele, cls); /*ele instance of Node, cls is string*/

closestNode

closestNode(el, selector); /*Similar to the jquery closestNode method*/

css

css(ele, prop); /*get css attribute value*/

elementFromPoint

elementFromPoint(e); // e is mouse event
// return Node

getCaretPosition

getCaretPosition (el); // return number;

getMaxZIndex

getMaxZIndex(ele = undefined); // if ele === undefined , return max z-index value in the document

getScrollLeft

getScrollLeft();

getScrollTop

getScrollTop();

hasClass

hasClass(ele, cls);

nextNode

nextNode(el, selector);

offset

offset(ele); // get distance away from window
/* @return
* {
    left: x,  
     top: y
   }
* */

parentNode

parentNode(el, selector, root=undefined);

prevNode

prevNode(el, selector);

removeClass

removeClass(ele, cls);

scrollTo

scrollTo(to, duration); //  scroll to given place during given time

setScrollTop

setScrollTop(value); // it exec window.scrollTo();

toggleClass

toggleClass(ele, cls);

toDataUri

toDataUri(url, (d) => {console.log(d);}); // transfer image png/jpg to base64

function

throttle

throttle(delay, callback, debounceMode = false, immediate = false);

debounce

let wrap = debounce(/*callback*/ (e) => {console.log(e);}, /*delay*/ 500); // return wrapper function;
window.addEventListener('resize', (e) => {wrap(e)});

keycode

keyCode

keyCode(name); // return keyCode Number;

object

deepClone

deepClone(obj); // return any;

random

n_random

n_random(min, max, n = 1);

s_random

s_random(7); // return string it's length is 7

regexp

getExplore

getExplore(); // get explore type and version

getOS

getOS();

getUrlParam

getUrlParam(url); // return Map;

isChinaIDCard

isChinaIDCard(str); // return boolean

isEmail

isEmail(str); // return boolean

isPhone

isPhone(str); // return boolean, validator chinese phone number

isUrl

isUrl(url); // return boolean

time

getTimeStamp

getTimeStamp({ cal = new Date(), d = 0, h = 0, m = 0 , s = 0 } = {}); // return number(seconds)