函数“display()”在页面加载时触发,而不是在点击时触发。我不确定为什么。当我将功能更改为“警报”时,它会更明显地显示问题。我想尝试更改参数变量,但没有用。我使用了 x 和内容。我如何让它停止加载?它也只加载前两个 div。我在单独的 javascript 页面上使用了相同的格式,并且效果很好。
我没有
https://jsfiddle.net/ethacker/92r0apd9/
JS:
var firstTrimesterButton = document.getElementById('firstTri');
var secondTrimesterButton = document.getElementById('secTri');
var thirdTrimesterButton = document.getElementById('thirdTri');
var firstThreeMonthsButton = document.getElementById('firstThreeMonths');
var secondThreeMonthsButton = document.getElementById('secThreeMonths');
var thirdThreeMonthsButton = document.getElementById('thirdThreeMonths');
var fourthThreeMonthsButton = document.getElementById('fourthThreeMonths');
var toddlersButton = document.getElementById('toddlers');
var fTContent = document.getElementById('fTContent');
var sTContent = document.getElementById('sTContent');
var tTContent = document.getElementById('sTContent');
var firstTMContent = document.getElementById('sTContent');
var sTMContent = document.getElementById('sTContent');
var tTMContent = document.getElementById('sTContent');
var fourthTMContent = document.getElementById('sTContent');
var toddlersContent = document.getElementById('sTContent');
//event listeners
firstTrimesterButton.addEventListener("click", display(fTContent));
secondTrimesterButton.addEventListener("click",display(sTContent));
thirdTrimesterButton.addEventListener("click", display(tTContent));
firstThreeMonthsButton.addEventListener("click", display(firstTMContent) );
secondThreeMonthsButton.addEventListener("click", display(sTMContent));
thirdThreeMonthsButton.addEventListener("click", display(tTMContent));
fourthThreeMonthsButton.addEventListener("click",display(fourthTMContent));
toddlersButton.addEventListener("click",display(toddlersContent));
//function
function display(content) {
content.style.display= 'inline';
}
最佳答案
您应该将对回调函数的引用放入您的addEventListener
。如果您设置 display(fTContent)
- 您只需运行此函数。
正确的触发是
firstTrimesterButton.addEventListener("click", function() {
display(fTContent);
});
关于Javascript 函数在页面加载时触发,而不是在点击时触发,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41317671/