function(callback) {
for(var i = 0, len = this.length; i < len; i++) {
callback.call(this[i], this[i], i, this);
}
};
/**插入策略集合**/
var insertStrategies = {
before : function(node, scope) {
scope.parentNode.insertBefore(node, scope);
},
prepend : function(node, scope) {
scope.insertBefore(node, scope.firstChild);
},
append : function(node, scope) {
scope.appendChild(node);
},
after : function(node, scope) {
scope.parentNode.insertBefore(node, scope.nextSibling);
},
/*支持字符串格式的插入, 注意：要兼容不可直接做p子类的元素*/
/*insertAdjace还有Element和Text，前者只能插元素，后者只能插文本*/
beforestr : function(node, scope) {
scope.insertAdjacentHTML('beforeBegin', node);
},
prependstr : function(node, scope) {
scope.insertAdjacentHTML('afterBegin', node);
},
appendstr : function(node, scope) {
scope.insertAdjacentHTML('beforeEnd', node);
},
afterstr : function(node, scope) {
scope.insertAdjacentHTML('afterEnd', node);
}
};
//响应函数
var returnMethod = function(method, node, scope) { //如果是字符串
if(typeof node === 'string') {
return insertStrategies[method + 'str'](node, scope);
}
//1(元素)、9(文档)、11(文档碎片)
if(node.nodeType === 1
关键词：JavaScript完成插入节点办法总结