js调试的时候怎么在console中输出信息
2个回答
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用函数 console.log(...)
函数原型是：
console.log(obj1 [, obj2, ..., objN]);
console.log(msg [, subst1, ..., substN]);
例子：
<html><body>
<h2>Activate debugging with F12</h2>
<p>Select "Console" in the debugger menu. Then click Run again.</p>
<script>
console.log(5 + 6);
</script>
</body></html>
按F12键，起动debug，选Console，点Run 就见输出。
--
语句例子：var car = "Dodge Charger";
var someObject = {str:"Some text", id:5};
console.info("My first car was a", car, ". The object is: ", someObject);
输出内容: My first car was a Dodge Charger . The object is: ({str:"Some text", id:5}
循环语句输出例子：for (var i=0; i<5; i++) {
console.log("Hello, %s. You've called me %d times.", "Bob", i+1);
}
输出有颜色的字体例子：
console.log("This is %cMy stylish message", "color: yellow; font-style: italic; background-color: blue;padding: 2px");
函数原型是：
console.log(obj1 [, obj2, ..., objN]);
console.log(msg [, subst1, ..., substN]);
例子：
<html><body>
<h2>Activate debugging with F12</h2>
<p>Select "Console" in the debugger menu. Then click Run again.</p>
<script>
console.log(5 + 6);
</script>
</body></html>
按F12键，起动debug，选Console，点Run 就见输出。
--
语句例子：var car = "Dodge Charger";
var someObject = {str:"Some text", id:5};
console.info("My first car was a", car, ". The object is: ", someObject);
输出内容: My first car was a Dodge Charger . The object is: ({str:"Some text", id:5}
循环语句输出例子：for (var i=0; i<5; i++) {
console.log("Hello, %s. You've called me %d times.", "Bob", i+1);
}
输出有颜色的字体例子：
console.log("This is %cMy stylish message", "color: yellow; font-style: italic; background-color: blue;padding: 2px");
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