OOP & DOM
js data types
let Dom = Dom || {};
Dom = {
checkValType(val) {
let typeString = Object.prototype.toString.call(val);
switch (typeString) {
case '[object String]':
return 'String';
case '[object Boolean]':
return 'Boolean';
case '[object Function]':
return typeof val === 'symbol' ? 'Symbol' : 'Function';
case '[object Array]':
return 'Array';
case '[object Error]':
return 'Error';
case '[object Date]':
return 'Date';
case '[object RegExp]':
return 'RegExp';
case '[object Object]':
return 'Object';
case '[object Null]':
return 'Null';
case '[object Underfined]':
return 'Underfined';
default:
break;
}
},
setStyle(elem, obj) { //批量设置样式,elem要设置的元素,obj={'height':'5px','color':'red'}等样式集合
for (let key in obj) {
elem.style[key] = obj[key];
}
return this; //返回上下文方便链式调用
},
getStyle(elem, styleName, pseudoElt = null) { //pseudoElt伪元素例如getStyle(ele,'height',':after')，这样就匹配ele伪元素的样式
return (window || document.defaultView).getComputedStyle(elem, pseudoElt)[styleName];
},
addClass(elem, className) {
if (this.checkValType(className) === 'String') { //单个时传入字符串
elem.classList.add(className);
} else if (this.checkValType(className) === 'Array') { //多个时传入数组
elem.classList.add(...className);
}
return this;
},
removeClass(elem, className) {
if (this.checkValType(className) === 'String') { //单个时传入字符串
elem.classList.remove(className);
} else if (this.checkValType(className) === 'Array') { //多个时传入数组
elem.classList.remove(...className);
}
return this;
},
hasClass(elem, className) {
if (this.checkValType(className) === 'String') { //单个时传入字符串
elem.classList.contains(className);
} else if (this.checkValType(className) === 'Array') { //多个时传入数组
elem.classList.contains(...className);
}
return this;
},
toggleClass(elem, className) { //只操作单个class
elem.classList.toggle ? elem.classList.toggle(className) : (this.hasClass(elem, className) ? this.removeClass(elem, className) : this.addClass(elem, className));
return this;
},
siblings(elem){
let matched=[];
let n = (elem.parentNode || {}).firstChild;
for(;n;n= n.nextSibling){
if(n.nodeType===1&&n!==elem){
matched.push(n);
}
}
return matched;
},
sibling(cur,dir){//工具函数
while((cur=cur[dir])&&cur.nodeType!==1){}
return cur;
},
next(elem){
return this.sibling(elem,"nextSibling");
},
prev(elem){
return this.sibling(elem,"previousSibling");
}
};
js data type checker
js 数据类型检测
https://www.cnblogs.com/xgqfrms/p/13080932.html
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