javascript - window.btoa() not working in IE -
i'm trying create export info excel javascript below. when testing code in ie8, next error:
"object doesn't back upwards property or method"
at line:
return window.btoa(unescape(encodeuricomponent(s))) can please tell me how prepare in ie? it's working in other browsers. give thanks much.
var tabletoexcel = (function () { var uri = 'data:application/vnd.ms-excel;base64,', template = '<html xmlns:o="urn:schemas-microsoft-com:office:office"xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/tr/rec-html40"><head><!--[if gte mso 9]><xml><x:excelworkbook><x:excelworksheets><x:excelworksheet><x:name>{worksheet}</x:name><x:worksheetoptions><x:displaygridlines/></x:worksheetoptions></x:excelworksheet></x:excelworksheets></x:excelworkbook></xml><![endif]--></head><body><table>{table}</table></body></html>', base64 = function (s) { homecoming window.btoa(unescape(encodeuricomponent(s))) }, format = function (s, c) { homecoming s.replace(/{(\w+)}/g, function (m, p) { homecoming c[p]; }) } homecoming function (table, name) { if (!table.nodetype) table = document.getelementbyid('file') var ctx = { worksheet: name || 'worksheet', table: table.innerhtml } window.location.href = uri + base64(format(template, ctx)) } })()
ie8 not back upwards window.btoa.
there polyfills out there back upwards older browsers.
javascript
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