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[英]fetch not defined in Safari (ReferenceError: Can't find variable: fetch)
[英]CasperjJs Can't find variable: fetch
我正在編寫一個簡單的腳本,登錄網站,然后 go 到另一個頁面並單擊按鈕。 好像可以找到按鈕,但是點擊后出現錯誤:
頁面錯誤:ReferenceError:找不到變量:獲取
我該如何解決這個問題?
var casper = require('casper').create({
verbose: true,
logLevel: 'debug',
pageSettings: {
loadImages: false, // The WebPage instance used by Casper will
loadPlugins: false, // use these settings
userAgent: 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4'
}
});
//print out all the messages in the headless browser context
casper.on('remote.message', function(msg) {
this.echo('remote message caught: ' + msg);
});
// print out all the messages in the headless browser context
casper.on("page.error", function(msg, trace) {
this.echo("Page Error: " + msg, "ERROR");
});
casper.on('resource.error', function(msg) {
this.echo('resource.error caught: ' + msg);
});
var url = 'https://firstPage.com';
casper.start(url, function() {
this.evaluate(function() {
document.getElementById("login").value = "name@email.com";
document.getElementById("password").value = "pass";
document.querySelector("loginButton").click();
});
});
casper.thenOpen('https://secondPage.com', function() {
console.log("Page Title " + document.title);
});
casper.waitForSelector('[data-content~="OK"]', function() {
this.click('[data-content~="OK"]');
})
fetch
不會顯示為您在腳本上調用的變量或 DOM 元素,這很奇怪,但在這一行中,我假設您正在調用class
loginButton
document.querySelector("loginButton").click();
如果它是 class 你應該把.
(或#
如果它是一個 ID),否則它將尋找一個不存在的 loginButton 元素。 嘗試:
document.querySelector(".loginButton").click();
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