javascript - How to get all attribute names of an img tag node using js?

Question

{Code...} Assume that there are many img tags with a structure similar to the above, but the number of attributes of each img tag is unknown (that is, some may only have one src attribute). How to obtain the attribute of each img tag? All attribute names (not attribute values)?

阿神 · Answer

https://developer.mozilla.org...

仅有的幸福 · Answer

[].map.call(document.querySelector(Selector).attributes, (item) => {return item.name})

为情所困 · Answer

// html为 
var pEle = document.querySelector('#pEle');  //得到数组
var attrs = pEle.attributes;  //得到所有属性
var attrsArray = Array.prototype.slice.call(attrs);      //转换为数组形式
console.log(attrsArray);    // [class,id]

某草草 · Answer

Use ES6 object unwinding:

[...document.querySelector('selector').attributes]