console.save 将 复杂变量保存到本地

(function(console){

console.save = function(data, filename){

if(!data) {

console.error('Console.save: No data')

return;

}

if(!filename) filename = 'console.json'

if(typeof data === "object"){

data = JSON.stringify(data, undefined, 4)

}

var blob = new Blob([data], {type: 'text/json'}),

e = document.createEvent('MouseEvents'),

a = document.createElement('a')

a.download = filename

a.href = window.URL.createObjectURL(blob)

a.dataset.downloadurl = ['text/json', a.download, a.href].join(':')

e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null)

a.dispatchEvent(e)

}

})(console)

 console.save()  进行下载！