伪数组:不能调用数组的方法, 1.对象是按索引方式存储数据的 2.它具备length属性 {0:'a',1:'b',length:2} //es5伪数组转换成数组 let args = [].slice.call(arguments) //collection let imgs = [].call(document.querySelectorAll('img')) // NodeList //es6伪数组转换成数组 let args = Array.from(arguments) let im
js代码: window.onload = function(){ var mian = document.getElementById( "mian" ); var mian1 = document.getElementById( "mian1" ); var str = mian.innerHTML; var arry = []; var len = str.length; for( var i = 0; i < len; i++ ){ arry[ i ]